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'''Labour economics''' seeks to understand the functioning and dynamics of the [[Market (economics)|market]]s for [[wage labour]]. '''Labour markets''' function through the interaction of workers and employers. Labour economics looks at the suppliers of labour services (workers), the demands of labour services (employers), and attempts to understand the resulting pattern of wages, employment, and income.
'''Labour economics''' seeks to understand the functioning and dynamics of the [[Market (economics)|market]]s for [[wage labour]]. '''Labour markets''' function through the interaction of workers and employers. Labour economics looks at the suppliers of labour services (workers), the demands of labour services (employers), and attempts to understand the resulting pattern of wages, employment, and income.


In [[economics]], Labour is the process in which both man and Nature participate, and in which man of his own accord starts, regulates, and controls the material re-actions between himself and Nature.<ref name=definelabour>[https://www.marxists.org/glossary/terms/l/a.htm]</ref> The elementary factors of the labour-process are 1), the personal activity of man, i.e., work itself, 2), the subject of that work, and 3), its instruments.<ref name=definelabour/>
In [[economics]],''' '''labour is a measure of the work done by human beings. It is conventionally contrasted with such other [[factors of production]] as [[Land (economics)|land]] and [[Capital (economics)|capital]]. There are theories which have developed a concept called [[human capital]] (referring to the skills that workers possess, not necessarily their actual work).


==Labour power==
==Macro and micro analysis of labour markets==
Labour power is a crucial subject in the field of [[economics]], referring to the capacity to labour as distinguished from labour itself.<ref>{{cite book|last1=Fine|first1=Ben|last2=Saad-Filho|first2=Alfredo|title=Marx's Capital|date=2010|publisher=Pluto Press|location=London|isbn=978-0-7453-3016-7|page=20|edition=5th ed.}}</ref>
There are two sides to labour economics. Labour economics can generally be seen as the application of [[microeconomics|microeconomic]] or [[macroeconomics|macroeconomic]] techniques to the labour market. Microeconomic techniques study the role of individuals and individual firms in the labour market. Macroeconomic techniques look at the interrelations between the labour market, the goods market, the money market, and the foreign trade market. It looks at how these interactions influence macro variables such as employment levels, participation rates, aggregate income and [[Measures of national income and output|Gross Domestic Product]].


===Definition===
==The macroeconomics of labour markets==
[[Karl Marx]] defined labour power as follows:
{{Unreferenced section|date=January 2014}}
:"By labour-power or capacity for labour is to be understood the aggregate of those mental and physical capabilities existing in a human being, which he exercises whenever he produces a [[use-value]] of any description." [http://www.marxists.org/archive/marx/works/1867-c1/ch06.htm]
The [[labor force]]' is defined as the number of people of [[working age]], who are either employed or actively looking for work. The '''participation rate''' is the number of people in the labour force divided by the size of the adult civilian noninstitutional population (or by the population of working age that is not [[Institutionalisation|institutionalised]]). The '''nonlabour force''' includes those who are not looking for work, those who are institutionalised such as in prisons or psychiatric wards, stay-at home spouses, children, and those serving in the military. The '''[[unemployment]] level''' is defined as the labour force minus the number of people currently employed. The '''unemployment rate''' is defined as the level of unemployment divided by the labour force. The '''employment rate''' is defined as the number of people currently employed divided by the adult population (or by the population of working age). In these [[statistics]], self-employed people are counted as employed.
He adds further on that:
:"Labour-power, however, becomes a reality only by its exercise; it sets itself in action only by working. But thereby a definite quantity of human muscle, nerve. brain, &c., is wasted, and these require to be restored."
:[http://www.marxists.org/archive/marx/works/1867-c1/ch06.htm]


===Labour power as a commodity===
Variables like employment level, unemployment level, labour force, and unfilled vacancies are called '''stock variables''' because they measure a quantity at a point in time. They can be contrasted with '''flow variables''' which measure a quantity over a duration of time. Changes in the labour force are due to flow variables such as natural population growth, net immigration, new entrants, and retirements from the labour force. Changes in unemployment depend on: inflows made up of non-employed people starting to look for jobs and of employed people who lose their jobs and look for new ones; and outflows of people who find new employment and of people who stop looking for employment. When looking at the overall macroeconomy, several types of unemployment have been identified, including:
Labour power is a commodity. it is sold and bought on the market. A worker tries to sell his or her labour-power to an employer, in exchange for a wage or salary. If successful (the only alternative being [[unemployment]]), this exchange involves submitting to the [[authority]] of the capitalist for a specific period of time.
* '''Frictional unemployment''' — This reflects the fact that it takes time for people to find and settle into new jobs. If 12 individuals each take one month before they start a new job, the aggregate unemployment statistics will record this as a single unemployed worker. Technological advancement often reduces frictional unemployment, for example: internet search engines have reduced the cost and time associated with locating employment.
* '''Structural unemployment''' — This reflects a mismatch between the skills and other attributes of the labour force and those demanded by employers. If 4 workers each take six months off to re-train before they start a new job, the aggregate unemployment statistics will record this as two unemployed workers. Rapid industry changes of a technical and/or economic nature will usually increase levels of structural unemployment, for example: widespread implementation of new machinery or software will require future employees to be trained in this area before seeking employment. The process of [[globalisation]] has contributed to structural changes in labour, some domestic industries such as textile manufacturing have expanded to cope with global demand, whilst other industries such as agricultural products have contracted due to greater competition from international producers.
* '''Natural rate of unemployment''' — This is the summation of frictional and structural unemployment, that excludes cyclical contributions of unemployment e.g. recessions. It is the lowest rate of unemployment that a stable economy can expect to achieve, seeing as some frictional and structural unemployment is inevitable. Economists do not agree on the natural rate, with estimates ranging from 1% to 5%, or on its meaning — some associate it with "non-accelerating [[inflation]]". The estimated rate varies from country to country and from time to time.
* '''Demand deficient unemployment''' — In [[Keynesian economics]], any level of unemployment beyond the natural rate is most likely due to insufficient demand in the overall economy. During a recession, [[aggregate expenditure]], is deficient causing the underutilisation of inputs (including labour). Aggregate expenditure (AE) can be increased, according to Keynes, by increasing consumption spending (C), increasing investment spending (I), increasing government spending (G), or increasing the net of exports minus imports (X−M). <br /> {AD = C + I + G + (X−M)}


During that time, the worker does actual labour, producing goods and services. The capitalist can then sell these and obtain surplus value; since the wages paid to the workers are lower than the value of the goods or services they produce for the capitalist.{{Citation needed|date=March 2013}}
==Neoclassical microeconomics of labour markets==


Labour power can also be sold by the worker on "own account", in which case he is self-employed, or it can be sold by an intermediary, such as a hiring agency. In principle a ''group'' of workers can also sell their labour-power as an independent contracting party. Some labour contracts are very complex, involving a number of different intermediaries.
Neo-classical economists view the labour market as similar to other markets in that the forces of [[supply and demand]] jointly determine price (in this case the wage rate) and quantity (in this case the number of people employed).


Normally, the worker is legally the owner of his labour power, and can sell it freely according to his own wishes. However, most often the trade in labour power is regulated by legislation, and the sale may not be truly "free" - it may be a forced sale for one reason or another, and indeed it may be bought and sold against the real wishes of the worker even although he owns his own labour power. Various gradations of freedom and unfreedom are possible, and free wage labour can combine with slave labour or semi-slavery.
However, the labour market differs from other markets (like the markets for goods or the financial market) in several ways. Perhaps the most important of these differences is the function of supply and demand in setting price and quantity. In markets for goods, if the price is high there is a tendency in the long run for more goods to be produced until the demand is satisfied. With labour, overall supply cannot effectively be manufactured because people have a limited amount of time in the day, and people are not manufactured.


The concept of labour power as a commodity was first explicitly stated by Friedrich Engels in ''The Principles of Communism'' (1847):
The labour market also acts as a [[market clearing|non-clearing market]]: according to neoclassical theory most markets have a point of equilibrium without excess surplus or demand, but the labour market is expected to have a persistent level of unemployment. Contrasting the labour market to other markets also reveals persistent [[compensating differential]]s among similar workers. The standard competitive assumption leads to clear conclusions: workers earn their [[marginal product]] of labour.<ref>{{cite web |title=The Micro-Economics of Surplus Labour|url=http://www.econ.yale.edu/growth_pdf/cdp772.pdf|publisher=Yale University|author=Gustav Ranis|date=February 1997}}</ref>


{{cquote|"Labour is a commodity, like any other, and its price is therefore determined by exactly the same laws that apply to other commodities. In a regime of big industry or of free competition – as we shall see, the two come to the same thing – the price of a commodity is, on the average, always equal to its cost of production. Hence, the price of labor is also equal to the cost of production of labor. But, the costs of production of labor consist of precisely the quantity of means of subsistence necessary to enable the worker to continue working, and to prevent the working class from dying out. The worker will therefore get no more for his labor than is necessary for this purpose; the price of labor, or the wage, will, in other words, be the lowest, the minimum, required for the maintenance of life. [http://www.marxists.org/archive/marx/works/1847/11/prin-com.htm] }}
===Neoclassical microeconomic model — Supply===


==Labour theory of value==
{{See also|Labour supply}}
The labour theory of value (LTV) is an economic [[theory of value (economics)|theory of value]] that states that the [[Value (economics)|economic value]] of a good or service is determined by the total amount of socially necessary labour required to produce it. When speaking in terms of labour theory of value, '''value''', without any qualifying adjective should theoretically refer to the amount of labour necessary to the production of a marketable commodity, including the labour necessary to the development of any real capital employed in the production. Both [[David Ricardo#Value theory|David Ricardo]] and [[Karl Marx]] attempted to quantify and embody all labour components in order to develop a theory of the real price, or natural price of a commodity.<ref>e.g. see - Junankar, P. N., ''Marx's economics'', Oxford : Philip Allan, 1982, ISBN 0-86003-125-X or Peach, Terry "Interpreting Ricardo", Cambridge: [[Cambridge University Press]], 1993, ISBN 0-521-26086-8</ref>
[[File:Tompkins Square Park Central Knoll.jpg|thumb|right|The neoclassical model analyzes the trade-off between leisure hours and working hours]]
[[File:RAILROAD WORK CREW IMPROVES THE TRACKS AND BED OF THE ATCHISON, TOPEKA AND SANTA FE RAILROAD NEAR BELLEFONT, KANSAS... - NARA - 556012.jpg|thumb|right|Railroad work.]]


===Definitions of value and labour===
Households are suppliers of labour. In microeconomics theory, people are assumed to be rational and seeking to maximize their [[utility function]]. In this labour market model, their utility function is determined by the choice between income and leisure. However, they are constrained by the working hours available to them.


When speaking in terms of a labour theory of value, '''value''', without any qualifying adjective should theoretically refer to the amount of labour necessary to the production of a marketable commodity, including the labour necessary to the development of any real capital employed in the production. Both [[David Ricardo#Value theory|David Ricardo]] and [[Karl Marx]] attempted to quantify and embody all labour components in order to develop a theory of the real price, or natural price of a commodity.<ref>e.g. see - Junankar, P. N., ''Marx's economics'', Oxford : Philip Allan, 1982, ISBN 0-86003-125-X or Peach, Terry "Interpreting Ricardo", Cambridge: [[Cambridge University Press]], 1993, ISBN 0-521-26086-8</ref> The labour theory of value, as presented by [[Adam Smith]], however, did not require the quantification of all past labour, nor did it deal with the labour needed to create the tools (capital) that might be employed in the production of a commodity. The Smith theory of value was very similar to the later utility theories in that Smith proclaimed that a commodity was worth whatever labour it would command in others (value in trade) or whatever labour it would "save" the self (value in use), or both. But this "value" is subject to supply and demand at a particular time.
Let w denote hourly wage.
<blockquote>
Let k denote total working hours.
The real price of every thing, what every thing really costs to the man who wants to acquire it, is the toil and trouble of acquiring it. What every thing is really worth to the man who has acquired it, and who wants to dispose of it or exchange it for something else, is the toil and trouble which it can save to himself, and which it can impose upon other people. (''Wealth of Nations'' Book 1, chapter V)
Let L denote working hours.
</blockquote>
Let π denote other incomes or benefits.
Let A denote leisure hours.


Smith's theory of price (which for many is the same as value) has nothing to do with the past labour spent in the production of a commodity. It speaks only of the labour that can be "commanded" or "saved" at present. If there is no use for a buggy whip then the item is economically worthless in trade or in use, regardless of all the labour spent in its creation.
The utility function and [[budget constraint]] can be expressed as following:
:max U(w L + &pi;, A) such that L + A &le; k.


===Distinctions of economically pertinent labour===
This can be shown in a graph that illustrates the trade-off between allocating your time between leisure activities and income generating activities. The linear constraint line indicates that there are only 24 hours in a day, and individuals must choose how much of this time to allocate to [[leisure]] activities and how much to [[wage labour|working]] (If multiple days are being considered the maximum number of hours that could be allocated towards leisure or work is about 16 due to the necessity of sleep). This allocation decision is informed by the [[indifference curve]] labelled IC. The curve indicates the combinations of leisure and work that will give the individual a specific level of utility. The point where the highest indifference curve is just tangent to the constraint line (point A), illustrates the short-run equilibrium for this supplier of labour services.
'''Value "in use"''' is the [[usefulness]] of this commodity, its [[utility]]. A classical [[paradox of value|paradox]] often comes up when considering this type of value. In the words of Adam Smith:
<blockquote>
The word VALUE, it is to be observed, has two different meanings, and sometimes expresses the utility of some particular object, and sometimes the power of purchasing other goods which the possession of that object conveys. The one may be called 'value in use ;' the other, 'value in exchange.' The things which have the greatest value in use have frequently little or no value in exchange; and on the contrary, those which have the greatest value in exchange have frequently little or no value in use. Nothing is more useful than water: but it will purchase scarce any thing; scarce any thing can be had in exchange for it. A diamond, on the contrary, has scarce any value in use; but a very great quantity of other goods may frequently be had in exchange for it. (''Wealth of Nations'' Book 1, chapter IV)
</blockquote>
'''Value "in [[trade|exchange]]"''' is the relative proportion with which this commodity exchanges for another commodity (in other words, its [[price]] in the case of [[money]]). It is relative to labour as explained by Adam Smith:
<blockquote>
The value of any commodity,&nbsp;... ''to the person who possesses it, and who means not to use or consume it himself, but to exchange it for other commodities'', is equal to the quantity of labour which it enables him to purchase or command. Labour, therefore, is the real measure of the ''exchangeable value'' of all commodities (''Wealth of Nations'' Book 1, chapter V; emphasis added).
</blockquote>


'''Value''' (without qualification) is the labour embodied in a commodity under a given structure of production. Marx defined the value of the commodity by the third definition. In his terms, value is the 'socially necessary abstract labour' embodied in a commodity. To [[David Ricardo|Ricardo]] and other classical economists, this definition serves as a measure of "real cost", "absolute value", or a "measure of value" invariable under changes in distribution and technology.<ref>Ricardo, David (1823), 'Absolute Value and Exchange Value', in "The Works and Correspondence of David Ricardo", Volume 4, Cambridge University Press, 1951 and Sraffa, Piero and Maurice Dobb (1951), 'Introduction', in "The Works and Correspondence of David Ricardo", Volume 1, Cambridge University Press, 1951.</ref>
<div style="float:center;text-align:center">[[File:Labour economics-shortrun supply smaller.png|Income/Leisure trade-off in the short run]]<br />''The Income/Leisure trade-off in the short run''</div>


Ricardo, other classical economists, and Marx began their expositions with the assumption that value in exchange was equal to or proportional to this labour value. They thought this was a good assumption from which to explore the dynamics of development in capitalist societies.
If the preference for consumption is measured by the value of income obtained, rather than work hours, this diagram can be used to show a variety of interesting effects. This is because the slope of the budget constraint becomes the wage rate. The point of optimisation (point A) reflects the equivalency between the wage rate and the [[marginal rate of substitution]],<ref name=Frank2006>[[Robert H. Frank|Frank, Robert H.]]; ''Microeconomics and Behavior''. McGraw-Hill/Irwin, 6th Edition: 2006</ref> leisure for income (the slope of the indifference curve). Because the marginal rate of substitution, leisure for income, is also the ratio of the marginal utility of leisure (MU<sup>L</sup>) to the marginal utility of income (MU<sup>Y</sup>), one can conclude:
:<math>{{MU^L}\over{MU^Y}} = {{dY}\over{dL}}</math>
<div style="float:center;text-align:center">
[[File:Labour wage increase small.png|Effects of a wage increase]]<br />''Effects of a wage increase''</div>
If wages increase, this individual's constraint line pivots up from X,Y<sub>1</sub> to X,Y<sub>2</sub>. He/she can now purchase more goods and services. His/her utility will increase from point A on IC<sub>1</sub> to point B on IC<sub>2</sub>.
To understand what effect this might have on the decision of how many hours to work, you must look at the [[income effect]] and [[substitution effect]].


Other supporters of the labour theory of value used the word "value" in the second sense, to represent "exchange value".<ref>Proudhon, Pierre J., 1851, ''General Idea of the Revolution in the 19th Century'', study 6.</ref>
The wage increase shown in the previous diagram can be decomposed into two separate effects. The pure income effect is shown as the movement from point A to point C in the next diagram. Consumption increases from Y<sub>A</sub> to Y<sub>C</sub> and — assuming leisure is a [[normal good]] — leisure time increases from X<sub>A</sub> to X<sub>C</sub> (employment time decreases by the same amount; X<sub>A</sub> to X<sub>C</sub>).


===LTV and the labour process===
<div style="float:center;text-align:center">[[File:Labour supply income and substitution effects small.png|The Income and Substitution effects of a wage increase]]<br />''The Income and Substitution effects of a wage increase''</div>


Since the term ''value'' is understood in the LTV as denoting something created by labour, and its "magnitude" as something proportional to the quantity of labour performed, it is important to explain how the labour process both preserves value and adds new value in the commodities it creates.<ref group=note>Unless otherwise noted, the description of the labour process and the role of the value of means of production in this section are drawn from chapter 7 of ''Capital'' vol1 {{harv|Marx|1867|}}.</ref>
But that is only part of the picture. As the wage rate rises, the worker will substitute leisure hours for work hours, that is, will work more hours to take advantage of the higher wage rate, or in other words substitute away from leisure because of its higher [[opportunity cost]]. This substitution effect is represented by the shift from point C to point B. The net impact of these two effects is shown by the shift from point A to point B. The relative magnitude of the two effects depends on the circumstances. In some cases the substitution effect is greater than the income effect (in which case more time will be allocated to working), but in other cases the income effect will be greater than the substitution effect (in which case less time is allocated to working). The intuition behind this latter case is that the worker has reached the point where his [[marginal utility]] of leisure outweighs his marginal utility of income. To put it in less formal (and less accurate) terms: there is no point in earning more money if you don't have the time to spend it.


The value of a commodity increases in proportion to the duration and intensity of labour performed on average for its production. Part of what the LTV means by "socially necessary" is that the value only increases in proportion to this labour as it is performed with average skill and average productivity. So though workers may labour with greater skill or more productivity than others, these more skillful and more productive workers thus produce more value through the production of greater quantities of the finished commodity. Each unit still bears the same value as all the others of the same class of commodity. By working sloppily, unskilled workers may drag down the average skill of labour, thus increasing the average labour time necessary for the production of each unit commodity. But these unskillful workers cannot hope to sell the result of their labour process at a higher price (as opposed to value) simply because they have spent more time than other workers producing the same kind of commodities.
<div style="float:left;text-align:center">[[File:Labour supply small.png|The Labour Supply curve]]<br />''The Labour Supply curve''</div>


However, production not only involves labour, but also certain means of labour: tools, materials, power plants and so on. These means of labour&nbsp;— also known as [[means of production]]&nbsp;— are often the product of another labour process as well. So the labour process inevitably involves these means of production that already enter the process with a certain amount of value. Labour also requires other means of production that are not produced with labour and therefore bear no value: such as sunlight, air, uncultivated land, unextracted minerals, etc. While useful, even crucial to the production process, these bring no value to that process. In terms of means of production resulting from another labour process, LTV treats the magnitude of value of these produced means of production as constant throughout the labour process. Due to the constancy of their value, these means of production are referred to, in this light, as constant capital.
If the substitution effect is greater than the income effect, the labour supply curve (diagram to the left) will slope upwards to the right, as it does at point E for example. This individual will continue to increase his supply of labour services as the wage rate increases up to point F where he is working H<sub>F</sub> hours (each period of time). Beyond this point he will start to reduce the amount of labour hours he supplies (for example at point G he has reduced his work hours to H<sub>G</sub>) because the marginal utility of extra leisure exceeds the marginal utility of extra income above wage F. Where the supply curve is sloping upwards to the right (positive [[wage elasticity]] of labour supply), the substitution effect is greater than the income effect. Where it slopes upwards to the left (negative elasticity), the income effect is greater than the substitution effect. The direction of slope may change more than once for some individuals, and the labour supply curve is likely to be different for different individuals.


Consider for example workers who take coffee beans, use a roaster to roast them, and then use a brewer to brew and dispense a fresh cup of coffee. In performing this labour, these workers add value to the coffee beans and water that comprise the material ingredients of a cup of coffee. The worker also transfers the value of constant capital&nbsp;— the value of the beans; some specific depreciated value of the roaster and the brewer; and the value of the cup&nbsp;— to the value of the final cup of coffee. Again, on average the worker can transfer no more than the value of these means of labour previously possessed to the finished cup of coffee<ref group=note>In the case of instruments of labour, such as the roaster and the brewer (or even a ceramic cup) the value transferred to the cup of coffee is only a depreciated value calculated over the life of those instruments of labour according to some accounting convention.</ref> So the value of coffee produced in a day equals the sum of both the value of the means of labour&nbsp;— this constant capital&nbsp;— and the value newly added by the worker in proportion to the duration and intensity of their work.
Other variables that affect this decision include taxation, welfare, work environment, and income as a [[Signalling (economics)|signal]] of ability or social contribution.


Often this is expressed mathematically as:
===Neoclassical microeconomic model — Demand===
{{Confusing section|date=January 2014}}
{{See also|Labour demand}}


:::::: <math>c+L=W</math>,
This article has examined the labour supply curve which illustrates at every wage rate the maximum quantity of hours a worker will be willing to supply to the economy per period of time. Economists also need to know the maximum quantity of hours an employer will [[demand]] at every wage rate. To understand the quantity of hours demanded per period of time it is necessary to look at product production: labour demand is a derived demand, it is derived from the output levels in the goods market.{{citation needed|date=June 2012}} Other aggregate methods of assessing demand include [[surveying|survey]] metrics and sources of [[real-time Labor Market Information]].


:where
A firm's labour demand is based on its [[marginal physical product of labour]] (MPP<sub>L</sub>). This is defined as the additional output (or physical product) that results from an increase of one unit of labour (or from an infinitesimal increase in labour). (If you are not familiar with these concepts, you might want to look at [[production theory basics]] before continuing with this article)
:* <math>c</math> is the constant capital of materials used in a period plus the depreciated portion of tools and plant used in the process. (A period is typically a day, week, year, or a single turnover: meaning the time required to complete one batch of coffee, for example.)
:* <math>L</math> is the quantity of labour time (average skill and productivity) performed in producing the finished commodities during the period
:* <math>W</math> is the value of the product of the period (<math>w</math> comes from the German word for value: ''wert'')


Note: if the product resulting from the labour process is homogeneous (all similar in quality and traits, for example, all cups of coffee) then the value of the period’s product can be divided by the total number of items (use-values or <math>v_u</math>) produced to derive the unit value of each item. <math>\begin{matrix}w_i= \frac{W}{\sum v_u}\,\end{matrix}</math> where <math>\sum v_u</math> is the total items produced.
Labour demand is a derived demand; that is, hiring labour is not desired for its own sake but rather because it aids in producing output, which contributes to an employer's revenue and hence profits. The demand for an additional amount of labour depends on the [[Marginal Revenue Product]] (MRP) and the [[marginal cost]] (MC) of the worker. The MRP is calculated by multiplying the [[price]] of the end product or service by the [[Marginal Physical Product]] of the worker. If the MRP is greater than a firm's Marginal Cost, then the firm will employ the worker since doing so will increase [[profit (economics)|profit]]. The firm only employs however up to the point where MRP=MC, and not beyond, in neoclassical economic theory.<ref name="Frank2006"/>


The LTV further divides the value added during the period of production, <math>L</math>, into two parts. The first part is the portion of the process when the workers add value equivalent to the wages they are paid. For example, if the period in question is one week and these workers collectively are paid $1,000, then the time necessary to add $1,000 to&nbsp;— while preserving the value of&nbsp;— constant capital is considered the necessary labour portion of the period (or week): denoted <math>NL</math>. The remaining period is considered the surplus labour portion of the week: or <math>SL</math>. The value used to purchase labour-power, for example the $1,000 paid in wages to these workers for the week, is called variable capital (<math>v</math>). This is because in contrast to the constant capital expended on means of production, variable capital can add value in the labour process. The amount it adds depends on the duration, intensity, productivity and skill of the labour-power purchased: in this sense the buyer of labour-power has purchased a commodity of variable use. Finally, the value added during the portion of the period when surplus labour is performed is called surplus value (<math>s</math>). From the variables defined above, we find two other common expression for the value produced during a given period as:
The MRP of the worker is affected by other inputs to production with which the worker can work (e.g. machinery), often aggregated under the term "[[capital (economics)|capital]]". It is typical in economic models for greater availability of capital for a firm to increase the MRP of the worker, all else equal. [[Education]] and training are counted as "[[human capital]]". Since the amount of physical capital affects MRP, and since financial capital flows can affect the amount of physical capital available, MRP and thus [[wages]] can be affected by financial capital flows within and between countries, and the degree of capital mobility within and between countries.<ref>{{cite journal |last=Hacker |first=R. Scott |year=2000 |title=The Impact of International Capital Mobility on the Volatility of Labour Income |journal=Annals of Regional Science |volume=34 |issue=2 |pages=157–172 |doi=10.1007/s001689900005 }}</ref>


::::<math>c+v+s=W</math>
<div style="float:right;text-align:center">[[File:Marginal physical product of labour small.png|The Marginal Physical Product of Labour]]<br />''The Marginal Physical Product of Labour''</div>
:::and
According to neoclassical theory, over the relevant range of outputs, the marginal physical product of labour is declining (law of diminishing returns). That is, as more and more units of labour are employed, their additional output begins to decline. This is reflected by the slope of the MPP<sub>L</sub> curve in the diagram to the right. If the marginal physical product of labour is multiplied by the value of the output that it produces, we obtain the Value of marginal physical product of labour:
:<math> MPP_L.P_Q = VMPP_L </math>
::::<math>c+NL+SL=W</math>
The value of marginal physical product of labour (<math>VMPP_L</math>) is the value of the additional output produced by an additional unit of labour. This is illustrated in the diagram by the VMPP<sub>L</sub> curve that is above the MPP<sub>L</sub>.


The first form of the equation expresses the value resulting from production, focusing on the costs <math>c+v</math> and the surplus value appropriated in the process of production, <math>s</math>. The second form of the equation focuses on the value of production in terms of the valued added by the labour performed during the process <math>NL+SL</math>.
In [[perfectly competitive]] industries, the VMPP<sub>L</sub> is in identity with the [[marginal revenue product]] of labour (MRP<sub>L</sub>). This is because in competitive markets price is equal to marginal revenue, and marginal revenue product is defined as the marginal physical product times the marginal revenue from the output (MRP = MPP * MR). The marginal revenue product of labour can be used as the demand for labour curve for this firm in the short run.


===The relation between values and prices===
===Neoclassical microeconomic model — Equilibrium===
One issue facing the LTV is the relationship between value quantities on one hand and prices on the other. If a commodity's value is not the same as its price, and therefore the magnitudes of each likely differ, then what is the relation between the two, if any? Various LTV schools of thought provide different answers to this question. For example, some argue that value in the sense of the amount of labour embodied in a good acts as a centre of gravity for price.


However, most economists would say that cases where pricing is even approximately equal to the value of the labour embodied are only special cases, and not the general case. In the standard formulation, prices also normally include a level of income for "[[Capital (economics)|capital]]" and "[[Land (economics)|land]]". These incomes are known as "[[Profit (economics)|profit]]" and "[[Economic rent|rent]]" respectively.
<div style="float:right;text-align:center">[[File:Labour demand in the short run small.png|A Firm's Labour Demand in the Short Run]]<br />''A firm's labour demand in the short run (D) and an horizontal supply curve (S)''</div>


In Book 1, chapter VI, Adam Smith writes:
The marginal revenue product of labour can be used as the demand for labour curve for this firm in the short run. In competitive markets, a firm faces a perfectly elastic supply of labour which corresponds with the wage rate and the marginal resource cost of labour (W = S<sub>L</sub> = MFC<sub>L</sub>). In imperfect markets, the diagram would have to be adjusted because MFC<sub>L</sub> would then be equal to the wage rate divided by marginal costs. Because optimum resource allocation requires that marginal factor costs equal marginal revenue product, this firm would demand L units of labour as shown in the diagram.


<blockquote>
The demand for labour of this firm can be summed with the demand for labour of all other firms in the economy to obtain the aggregate demand for labour. Likewise, the supply curves of all the individual workers (mentioned above) can be summed to obtain the aggregate supply of labour. These [[supply and demand]] curves can be analysed in the same way as any other industry demand and supply curves to determine equilibrium wage and employment levels.
The real value of all the different component parts of price, it must be observed, is measured by the quantity of labour which they can, each of them, purchase or command. Labour measures the value not only of that part of price which resolves itself into labour, but of that which resolves itself into rent, and of that which resolves itself into profit.
</blockquote>


The final sentence explains how Smith sees value of a product as relative to labour of buyer or consumer, as opposite to Marx who sees the value of a product being proportional to labour of labourer or producer. And we value things, price them, based on how much labour we can avoid or command, and we can command labour not only in a simple way but also by [[Trade|trading]] things for a profit.
Wage differences exist, particularly in mixed and fully/partly flexible labour markets. For example, the wages of a [[doctor of Medicine|doctor]] and a port cleaner, both employed by the [[National Health Service (England)|NHS]], differ greatly. There are various factors concerning this phenomenon. This includes the MRP of the worker. A doctor's MRP is far greater than that of the port cleaner. In addition, the barriers to becoming a doctor are far greater than that of becoming a port cleaner. To become a doctor takes a lot of education and training which is costly, and only those who excel in academia can succeed in becoming doctors. The port cleaner however requires relatively less training. The supply of doctors is therefore significantly less elastic than that of port cleaners. Demand is also inelastic as there is a high demand for doctors and medical care is a necessity, so the NHS will pay higher wage rates to attract the profession.


The demonstration of the relation between commodities' unit values and their respective prices is known in Marxian terminology as the [[transformation problem]] or the transformation of values into prices of production. The transformation problem has probably generated the greatest bulk of debate about the LTV. The problem with transformation is to find an algorithm where the magnitude of value added by labour, in proportion to its duration and intensity, is sufficiently accounted for after this value is distributed through prices that reflect an equal rate of return on capital advanced. If there is an additional magnitude of value or a loss of value after transformation compared with before then the relation between values (proportional to labour) and prices (proportional to total capital advanced) is incomplete. Various solutions and impossibility theorems have been offered for the transformation, but the debate has not reached any clear resolution.
==Information approaches==

LTV does not deny the role of supply and demand influencing price, since the price of a commodity is something other than its value. In ''Value, Price and Profit'' (1865), [[Karl Marx]] quotes [[Adam Smith]] and sums up:

:It suffices to say that if supply and demand equilibrate each other, the market prices of commodities will correspond with their natural prices, that is to say, with their values as determined by the respective quantities of labour required for their production.<ref>Marx, Karl (1865). [http://www.marxists.org/archive/marx/works/1865/value-price-profit/ch02.htm#c6 Value, Price and Profit.]</ref>

The LTV seeks to explain the level of this equilibrium. This could be explained by a ''[[cost of production]]'' argument—pointing out that all costs are ultimately labour costs, but this does not account for profit, and it is vulnerable to the charge of [[Tautology (rhetoric)|tautology]] in that it explains prices by prices.<ref>Piero Sraffa and Maurice H. Dobb (1951). "General Preface", ''The Works and Correspondence of David Ricardo'', Vol. 1, Cambridge University Press</ref> Marx later called this "Smith's adding up theory of value".

Smith argues that labour values are the natural measure of exchange for direct producers like hunters and fishermen.<ref>[http://www.ehu.es/kormazabal/SmithOnLabourValue.pdf ''Smith On Labour Value'']</ref> Marx, on the other hand, uses a measurement analogy, arguing that for commodities to be comparable they must have a common element or substance by which to measure them,<ref>Marx, Karl [http://www.marxists.org/archive/marx/works/1865/value-price-profit/ch02.htm#c6 Value Price and Profit]</ref> and that labour is a common substance of what Marx eventually calls ''commodity-values''.<ref>{{Harv|Marx|1867|}}</ref>

===Origins of the labour theory of value===
The labour theory of value has developed over many centuries. It had no single originator, but rather many different thinkers arrived at the same conclusion independently. Some writers trace its origin to [[Thomas Aquinas]].<ref>{{cite book |last=Russel |first=Bertrand |year=1946 |title=History of Western philosophy |location= |publisher= |page=578 }}</ref><ref>{{cite book |last=Baeck |first=L. |year=1994 |title=The Mediterranean tradition in economic thought |location=New York |publisher=Routledge |page=151 |isbn=0415093015 }}</ref> In his ''[[Summa Theologica|Summa Theologiae]]'' (1265–1274) he expresses the view that "... value can, does and should increase in relation to the amount of labour which has been expended in the improvement of commodities."<ref>{{cite book |first=Austin J. |last=Jaffe |first2=Kenneth M. |last2=Lusht |chapter=The History of the Value Theory: The Early Years |page=11 |title=Essays in honor of William N. Kinnard, Jr |year=2003 |location=Boston |publisher=Kluwer Academic |isbn=1402075162 }}</ref> Scholars such as [[Joseph Schumpeter]] have cited [[Ibn Khaldun]], who in his ''[[Muqaddimah]]'' (1377), described labour as the source of value, necessary for all earnings and capital accumulation. He argued that even if earning “results from something other than a craft, the value of the resulting profit and acquired (capital) must (also) include the value of the labour by which it was obtained. Without labour, it would not have been acquired.”<ref name=Oweiss>{{cite book |first=I. M. |last=Oweiss |year=1988 |chapter=Ibn Khaldun, the Father of Economics |title=Arab Civilization: Challenges and Responses |publisher=[[New York University Press]] |isbn=0-88706-698-4 }}</ref> Scholars have also pointed to [[Sir William Petty]]'s ''Treatise of Taxes'' of 1662<ref>Parrington [http://xroads.virginia.edu/~Hyper/Parrington/vol1/bk02_01_ch03.html vol 1 ch 3]</ref> and to [[John Locke]]'s [[labour theory of property]], set out in the ''[[Two Treatises of Government|Second Treatise on Government]]'' (1689), which sees labour as the ultimate source of economic value. [[Karl Marx]] himself credited [[Benjamin Franklin]] in his 1729 essay entitled "A Modest Enquiry into the Nature and Necessity of a Paper Currency" as being "one of the first" to advance the theory.<ref>Karl Marx,''[[Value, Price and Profit]]'', 1865, Part VI.</ref>

[[Adam Smith]] accepted the theory for pre-capitalist societies but saw a flaw in its application to contemporary [[capitalism]]. He pointed out that if the "labour embodied" in a product equaled the "labour commanded" (i.e. the amount of labour that could be purchased by selling it), then profit was impossible. [[David Ricardo]] (seconded by [[Karl Marx|Marx]]) responded to this paradox by arguing that Smith had confused labour with wages. "Labour commanded", he argued, would always be more than the labour needed to sustain itself (wages). The value of labour, in this view, covered not just the value of wages (what Marx called the value of [[labour power]]), but the value of the entire product created by labour.<ref>Ormazabal, Kepa M. (2006); [http://www.fae1-eao1.ehu.es/s0043-con/en/contenidos/informacion/00043_documentostrabajo/es_00043_do/adjuntos/il2006-26.pdf Adam Smith on Labour and Value: Challenging the Standard Interpretation]</ref>

Ricardo's theory was a predecessor of the modern theory that equilibrium prices are determined solely by [[Cost-of-production theory of value|production costs]] associated with [[Neo-Ricardianism]].<ref>{{Wayback |date=20090418155154 |url=http://cepa.newschool.edu/het/schools/neoric.htm |title=The Neo-Ricardians}}, [[New School University]]</ref>

Based on the discrepancy between the wages of labour and the value of the product, the "[[Ricardian socialists]]"&nbsp;— [[Charles Hall (economist)|Charles Hall]], [[Thomas Hodgskin]], [[John Gray (19th century socialist)|John Gray]], and [[John Francis Bray]], and [[Percy Ravenstone]]<ref>{{Wayback |date=20040214153800 |url=http://cepa.newschool.edu/het/schools/utopia.htm#hall |title=Utopians and Socialists: Ricardian Socialists }}, History of Economic Thought, [[New School University]]</ref>&nbsp;— applied Ricardo's theory to develop theories of [[exploitation]].

Marx expanded on these ideas, arguing that workers work for a part of each day adding the value required to cover their wages, while the remainder of their labour is performed for the enrichment of the capitalist. The LTV and the accompanying theory of exploitation became central to his economic thought.

19th century [[American individualist anarchists]] based their economics on the LTV, with their particular interpretation of it being called "[[Cost the limit of price]]". They, as well as contemporary individualist anarchists in that tradition, hold that it is unethical to charge a higher price for a commodity than the amount of labour required to produce it. Hence, they propose that trade should be facilitated by using notes backed by labour.

===Adam Smith and David Ricardo===
Adam Smith held that, in a primitive society, the amount of labour put into producing a good determined its exchange value, with exchange value meaning in this case the amount of labour a good can purchase. However, according to Smith, in a more advanced society the market price is no longer proportional to labour cost since the value of the good now includes compensation for the owner of the means of production: "The whole produce of labour does not always belong to the labourer. He must in most cases share it with the owner of the stock which employs him."<ref>Smith quoted in Whitaker, Albert C. ''[http://socserv2.socsci.mcmaster.ca/~econ/ugcm/3ll3/whitaker/labourtheory.pdf History and Criticism of the Labour Theory of Value]'', pp. 15-16</ref> "Nevertheless, the 'real value' of such a commodity produced in advanced society is measured by the labour which that commodity will command in exchange.&nbsp;... But [Smith] disowns what is naturally thought of as the genuine classical labour theory of value, that labour-cost regulates market-value. This theory was Ricardo’s, and really his alone."<ref>Whitaker, Albert C. ''[http://socserv2.socsci.mcmaster.ca/~econ/ugcm/3ll3/whitaker/labourtheory.pdf History and Criticism of the Labour Theory of Value]'', pp. 15-16</ref>

Classical economist David Ricardo's labour theory of value holds that the [[Value (economics)|value]] of a [[good (economics)|good]] (how much of another good or service it exchanges for in the market) is proportional to how much [[labour (economics)|labour]] was required to produce it, including the labour required to produce the raw materials and machinery used in the process. David Ricardo stated it as, "The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labour which is necessary for its production, and not as the greater or less compensation which is paid for that labour." (Ricardo 1817) In this heading Ricardo seeks to differentiate the quantity of labour necessary to produce a commodity from the wages paid to the labourers for its production. However, Ricardo was troubled with some deviations in prices from proportionality with the labour required to produce them. For example, he said "I cannot get over the difficulty of the wine, which is kept in the cellar for three or four years [i.e., while constantly increasing in exchange value], or that of the oak tree, which perhaps originally had not 2 s. expended on it in the way of labour, and yet comes to be worth £100."(Quoted in Whitaker) Of course, a capitalist economy stabilizes this discrepancy until the value added to aged wine is equal to the cost of storage. If anyone can hold onto a bottle for four years and become rich, that would make it hard to find freshly corked wine. There is also the theory that adding to the price of a luxury product increases its exchange-value by mere prestige.

The labour theory as an explanation for value contrasts with the [[subjective theory of value]], which says that value of a good is not determined by how much labour was put into it but by its usefulness in satisfying a want and its scarcity. Ricardo's labour theory of value is not a [[Normative economics|normative]] theory, as are some later forms of the labour theory, such as claims that it is ''immoral'' for an individual to be paid less for his labour than the total revenue that comes from the sales of all the goods he produces.

It is arguable to what extent these classical theorists held the labour theory of value as it is commonly defined.<ref>Whitaker, Albert C. Albert C. Whitaker, History and Criticism of the Labour Theory of Value</ref><ref>{{cite book |url=http://socserv2.socsci.mcmaster.ca/~econ/ugcm/3ll3/whitaker/labourtheory.pdf |last=Gordon |first=Donald, F. |title=What Was the Labour Theory of Value? |journal=[[American Economic Review]] |volume=49 |issue=2 |year=1959 |pages=462–472 }}</ref><ref>[http://links.jstor.org/sici?sici=0002-8282(195905)49%3A2%3C462%3AWWTLTO%3E2.0.CO%3B2-9 Jstor.org] King, Peter and Ripstein Arthur. Did Marx Hold a Labour Theory of Value?</ref><ref>[http://individual.utoronto.ca/pking/unpublished/LTV.pdf University of Toronto.ca]</ref> For instance, [[David Ricardo]] theorized that prices are determined by the amount of labour but found exceptions for which the labour theory could not account. In a letter, he wrote: "I am not satisfied with the explanation I have given of the principles which regulate value." [[Adam Smith]] theorized that the labour theory of value holds true only in the "early and rude state of society" but not in a modern economy where owners of capital are compensated by profit. As a result, "Smith ends up making little use of a labour theory of value."<ref>Canterbery, E. Ray, ''A Brief History of Economics: Artful Approaches to the Dismal Science, World Scientific (2001), pp. 52-53</ref>

=== Anarchism ===
{{See also|Anarchist economics|Cost the limit of price}}
[[File:LabourNote.JPG|thumbnail|left|Sample labour for [[labour note]] for the [[Cincinnati Time Store]]. Scanned from ''Equitable Commerce'' (1846) by [[Josiah Warren]]]]
[[Pierre Joseph Proudhon]]'s [[Mutualism (economic theory)|mutualism]]<ref>"Thus, the classical solution of expressing the value of goods and services in terms of man hours, which was developed by the orthodox (political) economists of the time, was adopted by both Proudhon and Marx." http://www.inclusivedemocracy.org/dn/vol6/takis_proudhon.htm "Beyond Marx and Proudhon" by [[Takis Fotopoulos]]</ref> and [[American individualist anarchists]] such as [[Josiah Warren]], [[Lysander Spooner]] and [[Benjamin Tucker]]<ref>"The most basic difference is that the individualist anarchists rooted their ideas in the labour theory of value while the "anarcho"-capitalists favour mainstream marginalist theory." [http://www.infoshop.org/page/AnarchistFAQSectionG1 An Anarchist FAQ]</ref> adopted the [[Liberalism|liberal]] [[Labour Theory of Value]] of [[classical economics]] but used it to criticise capitalism instead favouring a non-capitalist market system.<ref>"Like Proudhon, they desired a (libertarian) socialist system based on the market but without exploitation and which rested on possession rather than capitalist private property"[http://www.infoshop.org/page/AnarchistFAQSectionG1 [[An Anarchist FAQ]]]</ref>

[[Josiah Warren]] is widely regarded as the first American [[anarchist]],<ref name=Slate>Palmer, Brian (2010-12-29) [http://www.slate.com/id/2279457/ What do anarchists want from us?], ''[[Slate.com]]''</ref><ref name=Mises>Riggenbach, Jeff (2011-02-25) [https://mises.org/daily/5067/Josiah-Warren-The-First-American-Anarchist Josiah Warren: The First American Anarchist], ''[[Mises Institute]]''</ref> and the four-page weekly paper he edited during 1833, ''The Peaceful Revolutionist'', was the first anarchist periodical published,<ref name="bailie20">William Bailie, [http://libertarian-labyrinth.org/warren/1stAmAnarch.pdf] ''Josiah Warren: The First American Anarchist — A Sociological Study'', Boston: Small, Maynard & Co., 1906, p. 20</ref>[[Cost the limit of price]] was a maxim coined by [[Josiah Warren]], indicating a ([[linguistic prescription|prescriptive]]) version of the labour theory of value. Warren maintained that the [[Justice|just]] compensation for labour (or for its product) could only be an equivalent amount of labour (or a product embodying an equivalent amount).<ref name=warren1>In ''Equitable Commerce'', Warren writes, "If a priest is required to get a soul out of purgatory, he sets his price according to the value which the relatives set upon his prayers, instead of their cost to the priest. This, again, is cannibalism. The same amount of labour equally disagreeable, with equal wear and tear, performed by his customers, would be a just remuneration</ref> Thus, [[profit (economics)|profit]], [[renting|rent]], and [[interest]] were considered unjust economic arrangements<ref name=mcelroy>Wendy McElroy, "[http://flag.blackened.net/daver/anarchism/mcelroy1.html Individualist Anarchism vs. "Libertarianism" and Anarchocommunism]," in the ''New Libertarian'', issue #12, October, 1984.</ref> In keeping with the tradition of [[Adam Smith]]'s ''[[The Wealth of Nations]]'',<ref>Smith writes: "The real price of every thing, what every thing really costs to the man who wants to acquire it, is the toil and trouble of acquiring it." Note, also, the sense of "labour" meaning "suffering."</ref> the "cost" of labour is considered to be the [[subjectivity|subjective]] cost; i.e., the amount of suffering involved in it.<ref name="warren1"/> He put his theories to the test by establishing an experimental "labour for labour store" called the [[Cincinnati Time Store]] at the corner of 5th and Elm Streets in what is now downtown Cincinnati, where trade was facilitated by notes backed by a promise to perform labour. "All the goods offered for sale in Warren's store were offered at the same price the merchant himself had paid for them, plus a small surcharge, in the neighborhood of 4 to 7 percent, to cover store overhead."<ref name=Mises/> The store stayed open for three years; after it closed, Warren could pursue establishing colonies based on [[Mutualism (economic theory)|mutualism]]. These included "[[Utopia, Ohio|Utopia]]" and "[[past and present anarchist communities#Modern Times (1851 to late 1860s)|Modern Times]]." Warren said that [[Stephen Pearl Andrews]]' ''The Science of Society'', published in 1852, was the most lucid and complete exposition of Warren's own theories.<ref>Charles A. Madison. "Anarchism in the United States". ''Journal of the History of Ideas'', Vol. 6, No. 1. (Jan., 1945), pp. 53</ref>

[[Mutualism (economic theory)|Mutualism]] is an [[economics|economic theory]] and [[anarchist school of thought]] that advocates a society where each person might possess a [[means of production]], either individually or collectively, with trade representing equivalent amounts of labour in the [[free market]].<ref>{{cite web |url=http://www.mutualist.org/ |title=Introduction |publisher=Mutualist.org |date= |accessdate=2010-04-29}}</ref> Integral to the scheme was the establishment of a mutual-credit bank that would lend to producers at a minimal interest rate, just high enough to cover administration.<ref>Miller, David. 1987. "Mutualism." The Blackwell Encyclopedia of Political Thought. Blackwell Publishing. p. 11</ref> Mutualism is based on a labour theory of value that holds that when labour or its product is sold, in exchange, it ought to receive goods or services embodying "the amount of labour necessary to produce an article of exactly similar and equal utility".<ref>Tandy, Francis D., 1896, ''[[Voluntary Socialism]]'', chapter 6, paragraph 15.</ref> Mutualism originated from the writings of philosopher [[Pierre-Joseph Proudhon]].

[[Collectivist anarchism]] as defended by [[Mikhail Bakunin]] defended a form of labour theory of value when it advocated a system where "all necessaries for production are owned in common by the labour groups and the free communes&nbsp;... based on the distribution of goods according to the labour contributed".<ref>{{cite web |author=— Darby Tillis |url=http://www.infoshop.org/page/AnarchistFAQSectionA3 |title=An Anarchist FAQ |publisher=Infoshop.org |date= |accessdate=2010-09-20}}</ref>

===Karl Marx===

{{Marxian economics}}Contrary to popular belief,<ref>cf [[E F Schumacher]],''[[Small is Beautiful]]'', Pt 1, ch 1.</ref> Marx opposed "ascribing a supernatural creative power to labour", arguing that:

:Labour is not the source of all wealth. Nature is just as much a source of use values (and it is surely of such that material wealth consists!) as labour, which is itself only the manifestation of a force of nature, human labour power.<ref name="Critique of the Gotha Program">[http://www.marxists.org/archive/marx/works/1875/gotha/ch01.htm Critique of the Gotha Program] ch 1</ref>

Here Marx was distinguishing between [[exchange value]] (the subject of the LTV) and [[use value]].

Marx used the concept of "[[socially necessary labour time|socially necessary abstract labour-time]]" to introduce a social perspective distinct from his predecessors and [[neoclassical economics]]. Whereas most economists start with the individual's perspective, Marx started with the perspective of society ''as a whole''. "Social production" involves a complicated and interconnected [[division of labour]] of a wide variety of people who depend on each other for their survival and prosperity. [[Abstract labour and concrete labour|"Abstract" labour]] refers to a characteristic of [[commodity]]-producing labour that is shared by all different kinds of heterogeneous (concrete) types of labour. That is, the concept abstracts from the ''particular'' characteristics of all of the labour and is akin to average labour.

"Socially necessary" labour refers to the quantity required to produce a commodity "in a given state of society, under certain social average conditions or production, with a given social average intensity, and average skill of the labour employed."<ref>"[http://www.marxists.org/archive/marx/works/1865/value-price-profit/ch02.htm#c6 Value, Price and Profit] ch 6</ref> That is, the value of a product is determined more by societal standards than by individual conditions. This explains why technological breakthroughs lower the price of commodities and put less advanced producers out of business. Finally, it is not labour per se, which creates value, but labour power sold by free wage workers to capitalists. Another distinction to be made is that between [[productive and unproductive labour]]. Only wage workers of productive sectors of the economy produce value.<ref group=note>For the difference between wage workers and working animals or [[slave]]s confer: John R. Bell: Capitalism and the Dialectic - The Uno-Sekine Approach to Marxian Political Economy, p. 45. London, Pluto Press 2009</ref>

==Capitalist labour economics==
{{Further|Capitalism#As a mode of production}}

There are two sides to labour economics in capitalist systems. Labour economics can be seen as the application of [[microeconomics|microeconomic]] techniques to the labor market or the use of [[macroeconomics|macroeconomic]] techniques. Microeconomic techniques study the role of individuals in the labour market. Macroeconomic techniques look at the interrelations between the labour market, the goods market, the money market, and the foreign trade market. It looks at how these interactions influence macro variables such as employment levels, participation rates, aggregate income and [[Measures of national income and output|Gross Domestic Product]].

===Labour process===
The labour process is the basis of the connexion between labour and capitalist economics. First, capitalist buys labour-power in order to use it; and labour-power in use is labour itself. The purchaser of labour-power consumes it by setting the seller of it to work. By working, the latter becomes actually, what before he only was potentially, labour-power in action, a labourer. In order that his labour may re-appear in a commodity, he must, before all things, expend it on something useful, on something capable of satisfying a want of some sort.<ref name=definelabour/> Hence, what the capitalist sets the labourer to produce, is a particular use-value, a specified article. The fact that the production of use-values, or goods, is carried on under the control of a capitalist and on his behalf, does not alter the general character of that production. We shall, therefore, in the first place, have to consider the labour-process independently of the particular form it assumes under given social conditions.<ref>[https://www.marxists.org/archive/marx/works/1867-c1/ch07.htm]</ref>


===Neoclassical macroeconomics of labour markets===
{{Unreferenced section|date=January 2014}}
{{Unreferenced section|date=January 2014}}
The [[labour force]] is defined as the number of people of [[working age]], who are either employed or actively looking for work. The '''participation rate''' is the number of people in the labour force divided by the size of the adult civilian non-institutional population (or by the population of working age that is not [[Institutionalisation|institutionalised]]). The '''non-labour force''' includes those who are not looking for work, those who are institutionalised such as in prisons or psychiatric wards, stay-at home spouses, children, and those serving in the military. The '''[[unemployment]] level''' is defined as the labour force minus the number of people currently employed. The '''unemployment rate''' is defined as the level of unemployment divided by the labour force. The '''employment rate''' is defined as the number of people currently employed divided by the adult population (or by the population of working age). In these [[statistics]], self-employed people are counted as employed.
[[File:Sabah Sarawak labour advert Kuala Lumpur.JPG|thumb|right|An advertisement for labour from Sabah and Sarawak, seen in [[Jalan Petaling]], Kuala Lumpur.]]
In many real-life situations the assumption of perfect information is unrealistic. The firm does not necessarily know how hard a worker is working or how productive they are. This provides an incentive for workers to [[laziness|shirk]] from providing their full effort — since it is difficult for the employer to identify the hard-working and the shirking employees, there is no incentive to work hard and productivity falls overall, leading to more workers being hired and a lower unemployment rate.


Variables like employment level, unemployment level, labour force, and unfilled vacancies are called '''stock variables''' because they measure a quantity at a point in time. They can be contrasted with '''flow variables''' which measure a quantity over a duration of time. Changes in the labour force are due to flow variables such as natural population growth, net immigration, new entrants, and retirements from the labour force. Changes in unemployment depend on: inflows made up of non-employed people starting to look for jobs and of employed people who lose their jobs and look for new ones; and outflows of people who find new employment and of people who stop looking for employment. When looking at the overall macroeconomy, several types of unemployment have been identified, including:
One solution used recently{{when|date=June 2012}} ([[stock options]]) grants employees the chance to benefit directly from the firm's success. However, this solution has attracted criticism as executives with large stock option packages have been suspected of acting to over-inflate share values to the detriment of the long-run welfare of the firm. Another solution, foreshadowed by the rise of [[temporary work]]ers in Japan and the [[Haken-giri|firing of many of these workers]] in response to the financial crisis of 2008, is more flexible job contracts and terms that encourage employees to work less than full-time by partially compensating for the loss of hours, relying on workers to adapt their working time in response to job requirements and economic conditions instead of the employer trying to determine how much work is needed to complete a given task and overestimating.{{citation needed|date=June 2012}}
* '''Frictional unemployment''' — This reflects the fact that it takes time for people to find and settle into new jobs. If 12 individuals each take one month before they start a new job, the aggregate unemployment statistics will record this as a single unemployed worker. Technological advancement often reduces frictional unemployment, for example: internet search engines have reduced the cost and time associated with locating employment.
* '''Structural unemployment''' — This reflects a mismatch between the skills and other attributes of the labour force and those demanded by employers. If 4 workers each take six months off to re-train before they start a new job, the aggregate unemployment statistics will record this as two unemployed workers. Rapid industry changes of a technical and/or economic nature will usually increase levels of structural unemployment, for example: widespread implementation of new machinery or software will require future employees to be trained in this area before seeking employment. The process of [[globalisation]] has contributed to structural changes in labour, some domestic industries such as textile manufacturing have expanded to cope with global demand, whilst other industries such as agricultural products have contracted due to greater competition from international producers.
* '''Natural rate of unemployment''' — This is the summation of frictional and structural unemployment, that excludes cyclical contributions of unemployment e.g. recessions. It is the lowest rate of unemployment that a stable economy can expect to achieve, seeing as some frictional and structural unemployment is inevitable. Economists do not agree on the natural rate, with estimates ranging from 1% to 5%, or on its meaning — some associate it with "non-accelerating [[inflation]]". The estimated rate varies from country to country and from time to time.
* '''Demand deficient unemployment''' — In [[Keynesian economics]], any level of unemployment beyond the natural rate is most likely due to insufficient demand in the overall economy. During a recession, [[aggregate expenditure]], is deficient causing the underutilisation of inputs (including labour). Aggregate expenditure (AE) can be increased, according to Keynes, by increasing consumption spending (C), increasing investment spending (I), increasing government spending (G), or increasing the net of exports minus imports (X−M). <br /> {AD = C + I + G + (X−M)}


===Neoclassical microeconomics of labour markets===
Another aspect of uncertainty results from the firm's imperfect knowledge about worker ability. If a firm is unsure about a worker's ability, it pays a wage assuming that the worker's ability is the average of similar workers. This wage undercompenstates high ability workers and may drive them away from the labour market. Such phenomenon is called [[adverse selection]] and can sometimes lead to market collapse.{{citation needed|date=June 2012}}


Neo-classical economists view the labour market as similar to other markets in that the forces of [[supply and demand]] jointly determine price (in this case the wage rate) and quantity (in this case the number of people employed).
There are many ways to overcome adverse selection in labour market. One important mechanism is called [[Signalling (economics)|signalling]], pioneered by [[Michael Spence]]<ref>{{cite journal |year=1973 |month= |title=Job Market Signaling |journal=[[Quarterly Journal of Economics]] |volume=87 |issue=3 |pages=355–374 |jstor=1882010|doi=10.2307/1882010 |publisher=The MIT Press }}</ref>. In his classical paper on job signalling, Spence showed that even if formal education does not increase productivity, high ability workers may still acquire it just to signal their abilities. Employers can then use education as a signal to infer worker ability and pay higher wages to better educated workers.


However, the labour market differs from other markets (like the markets for goods or the financial market) in several ways. Perhaps the most important of these differences is the function of supply and demand in setting price and quantity. In markets for goods, if the price is high there is a tendency in the long run for more goods to be produced until the demand is satisfied. With labour, overall supply cannot effectively be manufactured because people have a limited amount of time in the day, and people are not manufactured.
===Search models===
{{Main|Search theory|Matching theory (macroeconomics)}}
One of the major research achievements of the last 20 years has been the development of a framework with dynamic [[search theory|search]], matching, and bargaining.<ref>[http://www.nobelprize.org/nobel_prizes/economic-sciences/laureates/2010/press.html 2010 Prize in Economic Sciences in Honor of Alfred Nobel Press Release]</ref>


The labour market also acts as a [[market clearing|non-clearing market]]: according to neoclassical theory most markets have a point of equilibrium without excess surplus or demand, but the labour market is expected to have a persistent level of unemployment. Contrasting the labour market to other markets also reveals persistent [[compensating differential]]s among similar workers. The standard competitive assumption leads to clear conclusions: workers earn their [[marginal product]] of labour.<ref>{{cite web |title=The Micro-Economics of Surplus Labour|url=http://www.econ.yale.edu/growth_pdf/cdp772.pdf|publisher=Yale University|author=Gustav Ranis|date=February 1997}}</ref>
==Personnel economics: hiring and incentives==
{{Unreliable sources|date=January 2014}}
At the micro level, one sub-discipline eliciting increased attention in recent decades is analysis of [[Internal labor market|internal labour market]]s, that is, ''within'' firms (or other organisations), studied in [[personnel economics]] from the perspective of [[personnel management]]. By contrast, external labour markets "imply that workers move somewhat fluidly between firms and wages are determined by some aggregate process where firms do not have significant discretion over wage setting."<ref>• [[Edward P. Lazear]] and Paul Oyer, 2004. "Internal and External Labor Markets: A Personnel Economics Approach," ''Labour Economics'', 11(5), pp. 527 and 528. [Pp. [http://faculty-gsb.stanford.edu/oyer/wp/ports.pdf 527–554].]<br/>&nbsp;&nbsp; • [http://www.aeaweb.org/jel/guide/jel.php?class=M JEL Classification Codes Guide: M] per JEL:M5].{{Verify credibility|date=January 2014}}</ref> The focus is on "how firms establish, maintain, and end employment relationships and on how firms provide incentives to employees," including models and empirical work on incentive systems and as constrained by [[economic efficiency]] and risk/incentive tradeoffs relating to personnel compensation.<ref>Paul Oyer and Scott Schaefer, 2011. "Personnel Economics: Hiring and Incentives," ch. 20, ''Handbook of Labor Economics'', v. 4B, pp. 1769–1823. [http://www.sciencedirect.com/science/article/pii/S016972181102418X Abstract] and pre-pub [http://www.utah-wbec.org/~schaefer/Research/schaefer_hiring01.pdf PDF].{{Verify credibility|date=January 2014}}</ref>


==Criticisms==
===Criticisms===
Many sociologists, political economists, and [[heterodox economics|heterodox economists]] claim that labour economics tends to lose sight of the complexity of individual employment decisions.{{Citation needed|date=May 2009}} These decisions, particularly on the supply side, are often loaded with considerable [[emotional baggage]] and a purely numerical analysis can miss important dimensions of the process, such as social benefits of a high income or wage rate regardless of the marginal utility from increased consumption or specific economic goals.
Many sociologists, political economists, and [[heterodox economics|heterodox economists]] claim that labour economics tends to lose sight of the complexity of individual employment decisions.{{Citation needed|date=May 2009}} These decisions, particularly on the supply side, are often loaded with considerable [[emotional baggage]] and a purely numerical analysis can miss important dimensions of the process, such as social benefits of a high income or wage rate regardless of the marginal utility from increased consumption or specific economic goals.


From the perspective of [[mainstream economics]], neoclassical models are not meant to serve as a full description of the psychological and subjective factors that go into a given individual's employment relations, but as a useful approximation of human behavior in the aggregate, which can be fleshed out further by the use of concepts such as [[information asymmetry]], [[transaction costs]], [[contract theory]] etc.
From the perspective of [[mainstream economics]], neoclassical models are not meant to serve as a full description of the psychological and subjective factors that go into a given individual's employment relations, but as a useful approximation of human behaviour in the aggregate, which can be fleshed out further by the use of concepts such as [[information asymmetry]], [[transaction costs]], [[contract theory]] etc.


Also missing from most labour market analyses is the role of [[feminist economics#Unpaid work|unpaid labour]]. Even though this type of labour is unpaid it can nevertheless play an important part in society. The most dramatic example is child raising. However, over the past 25 years an increasing literature, usually designated as the [[Family economics|economics of the family]], has sought to study within household decision making, including joint labour supply, fertility, child raising, as well as other areas of what is generally referred to as [[home production]].<ref>(Sandiaga S. Unno, Anindya N Bakrie, Rosan Perkasa, Morendy Octora : The Young Strategic Renaissance's In Asia)
Also missing from most labour market analyses is the role of [[feminist economics#Unpaid work|unpaid labour]]. Even though this type of labour is unpaid it can nevertheless play an important part in society. The most dramatic example is child raising. However, over the past 25 years an increasing literature, usually designated as the [[Family economics|economics of the family]], has sought to study within household decision making, including joint labour supply, fertility, child raising, as well as other areas of what is generally referred to as [[home production]].<ref>(Sandiaga S. Unno, Anindya N Bakrie, Rosan Perkasa, Morendy Octora : The Young Strategic Renaissance's In Asia)
</ref>
</ref>


===Wage slavery===
====Wage slavery====
{{main|Wage slavery}}
{{main|Wage slavery}}
{{further|Economic exploitation|Contemporary slavery}}
{{further|Economic exploitation|Contemporary slavery}}
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** [[Wage slavery]]
** [[Wage slavery]]
* [[Manual labour]]
* [[Manual labour]]
* [[Affective labor]]
* [[Affective labour]]
* [[Volunteer]]
* [[Volunteer]]
* [[Unfree labour]]
* [[Unfree labour]]
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==References==
==References==
{{Reflist|1}}
{{Reflist|1}}

==Notes==
{{reflist|group=note}}


==Further reading==
==Further reading==
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* [[Nicola Acocella]],Giovanni Di Bartolomeo and Douglas A. Hibbs, 2008, [http://www.sciencedirect.com/science/article/pii/S0164070407000419 Labor market regimes and the effects of monetary policy], in: ‘''Journal of Macroeconomics''’, 30: 134–56.
* [[Nicola Acocella]],Giovanni Di Bartolomeo and Douglas A. Hibbs, 2008, [http://www.sciencedirect.com/science/article/pii/S0164070407000419 Labor market regimes and the effects of monetary policy], in: ‘''Journal of Macroeconomics''’, 30: 134–56.
* Glen G. Cain, 1976, [http://www.jstor.org/stable/2722547?seq=1#page_scan_tab_contents The Challenge of Segmented Labor Market Theories to Orthodox Theory: A Survey] ''Journal of Economic Literature'', 14(4), pp. [http://www.soc.washington.edu/users/brines/cain.pdf 1215–1257].
* Glen G. Cain, 1976, [http://www.jstor.org/stable/2722547?seq=1#page_scan_tab_contents The Challenge of Segmented Labor Market Theories to Orthodox Theory: A Survey] ''Journal of Economic Literature'', 14(4), pp. [http://www.soc.washington.edu/users/brines/cain.pdf 1215–1257].
* [[Assar Lindbeck]] and [[Dennis J. Snower]] 1986. [http://www.jstor.org/stable/1818771?seq=1#page_scan_tab_contents Wage Setting, Unemployment, and Insider-Outsider Relations], ''American Economic Review'', 76(2), pp. 235-239.
* [[Assar Lindbeck]] and [[Dennis J. Snower]] 1986. [http://www.jstor.org/stable/1818771?seq=1#page_scan_tab_contents Wage Setting, Unemployment, and Insider-Outsider Relations], ''American Economic Review'', 76(2), pp.&nbsp;235–239.
*E McGaughey, 'Behavioural Economics and Labour Law', 2014, [http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2460685 SSRN]
*E McGaughey, 'Behavioural Economics and Labour Law', 2014, [http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2460685 SSRN]
*Simon Head, ''The New Ruthless Economy. Work and Power in the Digital Age'', Oxford UP 2005, ISBN 0-19-517983-8
*Simon Head, ''The New Ruthless Economy. Work and Power in the Digital Age'', Oxford UP 2005, ISBN 0-19-517983-8
* L. Ali Khan, [http://papers.ssrn.com/sol3/papers.cfm?abstract_id=936890 The Dignity of Labour], 2011
* L. Ali Khan, [http://papers.ssrn.com/sol3/papers.cfm?abstract_id=936890 The Dignity of Labour], 2011
* Miller, Doug, Towards Sustainable Labour Costing in UK Fashion Retail (February 5, 2013). Available at [http://ssrn.com/abstract=2212100 SSRN]
* Miller, Doug, Towards Sustainable Labour Costing in UK Fashion Retail (February 5, 2013). Available at [http://ssrn.com/abstract=2212100 SSRN]
* Bhaduri, Amit. 1969. "On the Significance of Recent Controversies on Capital Theory: A Marxian View." ''Economic Journal''. 79(315) September: 532-9.
* [[Eugen von Böhm-Bawerk|von Böhm-Bawerk, Eugen]] [http://www.marxists.org/subject/economy/authors/bohm/ ''Karl Marx and the Close of His System''] (Classic criticism of Marxist economic theory)
*&nbsp;—. [http://www.econlib.org/library/BohmBawerk/bbCI.html Capital and Interest: A Critical History of Economical Theory]
* [[G. A. Cohen]] 'The Labour Theory of Value and the Concept of Exploitation', in his ''History Labour and Freedom''
* Duncan, Colin A. M. 1996. ''The Centrality of Agriculture: Between Humankind and The Rest of Nature.'' Mc-Gill-Queen’s University Press, Montreal.
* --2000 The Centrality of Agriculture: History, Ecology and Feasible Socialism. Socialist Register, pp.&nbsp;187–205.
* --2004 Adam Smith’s green vision and the future of global socialism. In Albritton, R; Shannon Bell; John R. Bell; and R. Westra [Eds.] ''New Socialisms: Futures Beyond Globalization. ''New York/London, Routledge. pp.&nbsp;90–104.
* {{Citation
| surname=Dussel
| given=Enique
| title=The four drafts of '"Capital"
| journal = Rethinking Marxism
| volume = 13
| issue = 1
| year = 2002
| page =10.
| url=http://www.mtholyoke.edu/~fmoseley/Dussel.pdf
| accessdate=August 3, 2006}}
*Eldred, Michael (1984) [http://www.arte-fact.org/ccfbdspf.html ''Critique of Competitive Freedom and the Bourgeois-Democratic State: Outline of a Form-analytic Extension of Marx's Uncompleted System'']. With an Appendix 'Value-form Analytic Reconstruction of the Capital-Analysis' by Michael Eldred, Marnie Hanlon, Lucia Kleiber and Mike Roth, Kurasje, Copenhagen. Emended, digitized edition 2010 with a new Preface, lxxiii + 466 pp.&nbsp;ISBN 87-87437-40-6, ISBN 978-87-87437-40-0.
* Ellerman, David P. (1992) Property & Contract in Economics: The Case for Economic Democracy. Blackwell. Chapters 4,5, and 13 critiques of LTV in favor of the labor theory of property.
* Engels, F. (1880). [http://www.marxists.org/archive/marx/works/1880/soc-utop/ ''Socialism: Utopian and Scientific'']
* Freeman, Alan: ''Price, value and profit - a continuous, general treatment.'' In: Alan Freeman, Guglielmo Carchedi (editors): ''Marx and non-equilibrium economics.'' [[Edward Elgar Publishing]]. Cheltenham, UK, Brookfield, US 1996. ISBN 9781858982687
* Hagendorf, Klaus: [http://eurodos.chez-alice.fr/docu/econ/hagendorf_labour_theory_of_value_42008.pdf The Labour Theory of Value. A Historical-Logical Analysis. Paris: EURODOS; 2008.]
* Hagendorf, Klaus: [http://ssrn.com/paper=1489383 Labour Values and the Theory of the Firm. Part I: The Competitive Firm. Paris: EURODOS; 2009.]
* Henderson, James M.; Quandt, Richard E. 1971: Microeconomic Theory - A Mathematical Approach. Second Edition/International Student Edition. McGraw-Hill Kogakusha, Ltd.
* Keen, Steven [http://www.debunking-economics.com/Papers/Marx/Keen_Marx_Thesis.pdf Use, Value, and Exchange: The Misinterpretation of Marx]
* {{Citation
| surname=Marx
| given=Karl
| authorlink=Marx, Karl
| editor=Frederick Engels
| others=Samuel Moore and Edward Aveling
| title=Capital : Volume 1
| url=http://www.marxists.org/archive/marx/works/1867-c1/
| accessdate=July 5, 2006
| year=1867
| isbn=0-394-72657-X
| publisher=Marxist.org }} ([Internet edition: 1999] [1887 English edition])
*&nbsp;—[http://www.econlib.org/library/YPDBooks/Marx/mrxCpAtoc.html ''Capital''], Complete in Three volumes. Frederick Engels, editor, 1867-1894. Definitive Kerr Edition, in English, as re-issued 1906-1909.
** [http://www.econlib.org/library/YPDBooks/Marx/mrxCpA.html ''Capital'', Volume 1] 1867
** [http://www.econlib.org/library/YPDBooks/Marx/mrxCpB.html ''Capital'', Volume 2] 1885
** [http://www.econlib.org/library/YPDBooks/Marx/mrxCpC.html ''Capital'', Volume 3] 1894
*&nbsp;— (1863) [http://www.marxists.org/archive/marx/works/1863/theories-surplus-value/ch20.htm#vol32-p312 ''Theories of Surplus Value'']
*&nbsp;— [http://www.marxists.org/archive/marx/works/1847/wage-labour/index.htm ''Wage Labour and Capital'']
*&nbsp;— [http://www.marxists.org/archive/marx/works/1875/gotha/ch01.htm Critique of the Gotha Program]
* Ormazabal, Kepa M (2004). [http://www.ehu.es/kormazabal/SmithOnLaborValue.pdf ''Smith On Labour Value''] Bilbo, Biscay, Spain: University of the Basque Country Working Paper.
* Parrington [http://xroads.virginia.edu/~Hyper/Parrington/vol1/bk02_01_ch03.html Title Unavailable]
* Prychitko, David L. [http://www.econlib.org/library/Enc/Marxism.html Marxism] see section 1: "The Labor Theory of Value"
* {{Citation
| surname=Ricardo
| given=David
| authorlink=David_Ricardo
| title=On the Principles of Political Economy and Taxation
| url=http://www.marxists.org/reference/subject/economics/ricardo/tax/index.htm
| accessdate=August 3, 2006
| year=1817
| isbn= 0-486-43461-3
| publisher=Marxist.org }}

* Rubin, I.I. [http://www.marxists.org/subject/economy/rubin/ch12.htm Commentary on Marx's form and content of value] (accessible read)
* [[Anwar Shaikh (Economist)|Shaikh, Anwar]] (1998). "The Empirical Strength of the Labour Theory of Value" in ''Conference Proceedings of Marxian Economics: A Centenary Appraisal'', Riccardo Bellofiore (ed.), Macmillan, London
* {{Citation
| surname=Smith
| given=Adam
| authorlink=Adam_smith
| title=An Inquiry into the nature and causes of the wealth of nations
| url=http://www.adamsmith.org/smith/won-index.htm
| accessdate=August 3, 2006
| year=1776
| isbn= 1-4043-0998-5
| publisher=AdamSmith.org}}

* [[Fernando Vianello|Vianello, F.]] [1987], “Labour theory of value”, in: Eatwell, J. and Milgate, M. and Newman, P. (eds.): ''The New Palgrave: A Dictionary of Economics'', Macmillan e Stockton, London e New York, ISBN 978-09-35-85910-2.
* Wolff, Jonathan (2003). [http://plato.stanford.edu/entries/marx/#3" ''Karl Marx''] in ''Stanford Encyclopedia of Philosophy''
* {{Citation | doi = 10.1215/00182702-14-4-564 | author = Wolff, Richard D., Bruce B. Roberts and Antonio Callari | year = 1982 | title = Marx's (not Ricardo's) 'Transformation Problem': A Radical Reconceptualization | url = | journal = History of Political Economy | volume = 14 | issue = 4| pages = 564–82 | postscript = . }}


==External links==
==External links==
{{Wiktionary|earn}}
{{Wiktionary|earn}}

* [http://osha.europa.eu/priority_groups/ageingworkers/ Ageing workers] [[EU-OSHA]]
* [http://osha.europa.eu/priority_groups/ageingworkers/ Ageing workers] [[EU-OSHA]]
* [http://labour.ceps.lu/ The Labour Economics Gateway] – Collection of Internet sites that are of interest to labour economists
* [http://labour.ceps.lu/ The Labour Economics Gateway] – Collection of Internet sites that are of interest to labour economists
Line 215: Line 356:
* [http://www.labour-research.net/index.php?id=21&L=5 Labour Research Network] – Labour research programme treating various fields
* [http://www.labour-research.net/index.php?id=21&L=5 Labour Research Network] – Labour research programme treating various fields
* [http://www.lrd.org.uk/ Labour Research Department] – Independent labour economics research organisation
* [http://www.lrd.org.uk/ Labour Research Department] – Independent labour economics research organisation
* [http://www.marxists.org/ The Marxists Internet Archive]
* [http://minerva.simons-rock.edu/~eatonak/LTV-FAQ.html Robert Vienneau's LTV FAQ]
* [http://myweb.lmu.edu/JDevine/notes/Law-of-Value.html Jim Devine's alternative view of Marx's LTV]
* [http://homepages.luc.edu/~dschwei/cottoncornlabor.htm Cotton, Corn, Labor]
* [http://www.ernestmandel.org/en/works/txt/1967/intromarxisteconomic/1.htm ErnestMandel.org]


{{DEFAULTSORT:Labour Economics}}
{{DEFAULTSORT:Labour Economics}}
[[Category:Labor| ]]
[[Category:Labor| ]]
[[Category:Labor economics| ]]
[[Category:Labor economics| ]]
[[Category:Marxist theory]]
[[Category:Value theory]]


[[ast:Mercáu de trabayu]]
[[ast:Mercáu de trabayu]]

Revision as of 17:25, 25 March 2015

Job advertisement board in Shenzhen.

Labour economics seeks to understand the functioning and dynamics of the markets for wage labour. Labour markets function through the interaction of workers and employers. Labour economics looks at the suppliers of labour services (workers), the demands of labour services (employers), and attempts to understand the resulting pattern of wages, employment, and income.

In economics, Labour is the process in which both man and Nature participate, and in which man of his own accord starts, regulates, and controls the material re-actions between himself and Nature.[1] The elementary factors of the labour-process are 1), the personal activity of man, i.e., work itself, 2), the subject of that work, and 3), its instruments.[1]

Labour power

Labour power is a crucial subject in the field of economics, referring to the capacity to labour as distinguished from labour itself.[2]

Definition

Karl Marx defined labour power as follows:

"By labour-power or capacity for labour is to be understood the aggregate of those mental and physical capabilities existing in a human being, which he exercises whenever he produces a use-value of any description." [5]

He adds further on that:

"Labour-power, however, becomes a reality only by its exercise; it sets itself in action only by working. But thereby a definite quantity of human muscle, nerve. brain, &c., is wasted, and these require to be restored."
[6]

Labour power as a commodity

Labour power is a commodity. it is sold and bought on the market. A worker tries to sell his or her labour-power to an employer, in exchange for a wage or salary. If successful (the only alternative being unemployment), this exchange involves submitting to the authority of the capitalist for a specific period of time.

During that time, the worker does actual labour, producing goods and services. The capitalist can then sell these and obtain surplus value; since the wages paid to the workers are lower than the value of the goods or services they produce for the capitalist.[citation needed]

Labour power can also be sold by the worker on "own account", in which case he is self-employed, or it can be sold by an intermediary, such as a hiring agency. In principle a group of workers can also sell their labour-power as an independent contracting party. Some labour contracts are very complex, involving a number of different intermediaries.

Normally, the worker is legally the owner of his labour power, and can sell it freely according to his own wishes. However, most often the trade in labour power is regulated by legislation, and the sale may not be truly "free" - it may be a forced sale for one reason or another, and indeed it may be bought and sold against the real wishes of the worker even although he owns his own labour power. Various gradations of freedom and unfreedom are possible, and free wage labour can combine with slave labour or semi-slavery.

The concept of labour power as a commodity was first explicitly stated by Friedrich Engels in The Principles of Communism (1847):

"Labour is a commodity, like any other, and its price is therefore determined by exactly the same laws that apply to other commodities. In a regime of big industry or of free competition – as we shall see, the two come to the same thing – the price of a commodity is, on the average, always equal to its cost of production. Hence, the price of labor is also equal to the cost of production of labor. But, the costs of production of labor consist of precisely the quantity of means of subsistence necessary to enable the worker to continue working, and to prevent the working class from dying out. The worker will therefore get no more for his labor than is necessary for this purpose; the price of labor, or the wage, will, in other words, be the lowest, the minimum, required for the maintenance of life. [7]

Labour theory of value

The labour theory of value (LTV) is an economic theory of value that states that the economic value of a good or service is determined by the total amount of socially necessary labour required to produce it. When speaking in terms of labour theory of value, value, without any qualifying adjective should theoretically refer to the amount of labour necessary to the production of a marketable commodity, including the labour necessary to the development of any real capital employed in the production. Both David Ricardo and Karl Marx attempted to quantify and embody all labour components in order to develop a theory of the real price, or natural price of a commodity.[3]

Definitions of value and labour

When speaking in terms of a labour theory of value, value, without any qualifying adjective should theoretically refer to the amount of labour necessary to the production of a marketable commodity, including the labour necessary to the development of any real capital employed in the production. Both David Ricardo and Karl Marx attempted to quantify and embody all labour components in order to develop a theory of the real price, or natural price of a commodity.[4] The labour theory of value, as presented by Adam Smith, however, did not require the quantification of all past labour, nor did it deal with the labour needed to create the tools (capital) that might be employed in the production of a commodity. The Smith theory of value was very similar to the later utility theories in that Smith proclaimed that a commodity was worth whatever labour it would command in others (value in trade) or whatever labour it would "save" the self (value in use), or both. But this "value" is subject to supply and demand at a particular time.

The real price of every thing, what every thing really costs to the man who wants to acquire it, is the toil and trouble of acquiring it. What every thing is really worth to the man who has acquired it, and who wants to dispose of it or exchange it for something else, is the toil and trouble which it can save to himself, and which it can impose upon other people. (Wealth of Nations Book 1, chapter V)

Smith's theory of price (which for many is the same as value) has nothing to do with the past labour spent in the production of a commodity. It speaks only of the labour that can be "commanded" or "saved" at present. If there is no use for a buggy whip then the item is economically worthless in trade or in use, regardless of all the labour spent in its creation.

Distinctions of economically pertinent labour

Value "in use" is the usefulness of this commodity, its utility. A classical paradox often comes up when considering this type of value. In the words of Adam Smith:

The word VALUE, it is to be observed, has two different meanings, and sometimes expresses the utility of some particular object, and sometimes the power of purchasing other goods which the possession of that object conveys. The one may be called 'value in use ;' the other, 'value in exchange.' The things which have the greatest value in use have frequently little or no value in exchange; and on the contrary, those which have the greatest value in exchange have frequently little or no value in use. Nothing is more useful than water: but it will purchase scarce any thing; scarce any thing can be had in exchange for it. A diamond, on the contrary, has scarce any value in use; but a very great quantity of other goods may frequently be had in exchange for it. (Wealth of Nations Book 1, chapter IV)

Value "in exchange" is the relative proportion with which this commodity exchanges for another commodity (in other words, its price in the case of money). It is relative to labour as explained by Adam Smith:

The value of any commodity, ... to the person who possesses it, and who means not to use or consume it himself, but to exchange it for other commodities, is equal to the quantity of labour which it enables him to purchase or command. Labour, therefore, is the real measure of the exchangeable value of all commodities (Wealth of Nations Book 1, chapter V; emphasis added).

Value (without qualification) is the labour embodied in a commodity under a given structure of production. Marx defined the value of the commodity by the third definition. In his terms, value is the 'socially necessary abstract labour' embodied in a commodity. To Ricardo and other classical economists, this definition serves as a measure of "real cost", "absolute value", or a "measure of value" invariable under changes in distribution and technology.[5]

Ricardo, other classical economists, and Marx began their expositions with the assumption that value in exchange was equal to or proportional to this labour value. They thought this was a good assumption from which to explore the dynamics of development in capitalist societies.

Other supporters of the labour theory of value used the word "value" in the second sense, to represent "exchange value".[6]

LTV and the labour process

Since the term value is understood in the LTV as denoting something created by labour, and its "magnitude" as something proportional to the quantity of labour performed, it is important to explain how the labour process both preserves value and adds new value in the commodities it creates.[note 1]

The value of a commodity increases in proportion to the duration and intensity of labour performed on average for its production. Part of what the LTV means by "socially necessary" is that the value only increases in proportion to this labour as it is performed with average skill and average productivity. So though workers may labour with greater skill or more productivity than others, these more skillful and more productive workers thus produce more value through the production of greater quantities of the finished commodity. Each unit still bears the same value as all the others of the same class of commodity. By working sloppily, unskilled workers may drag down the average skill of labour, thus increasing the average labour time necessary for the production of each unit commodity. But these unskillful workers cannot hope to sell the result of their labour process at a higher price (as opposed to value) simply because they have spent more time than other workers producing the same kind of commodities.

However, production not only involves labour, but also certain means of labour: tools, materials, power plants and so on. These means of labour — also known as means of production — are often the product of another labour process as well. So the labour process inevitably involves these means of production that already enter the process with a certain amount of value. Labour also requires other means of production that are not produced with labour and therefore bear no value: such as sunlight, air, uncultivated land, unextracted minerals, etc. While useful, even crucial to the production process, these bring no value to that process. In terms of means of production resulting from another labour process, LTV treats the magnitude of value of these produced means of production as constant throughout the labour process. Due to the constancy of their value, these means of production are referred to, in this light, as constant capital.

Consider for example workers who take coffee beans, use a roaster to roast them, and then use a brewer to brew and dispense a fresh cup of coffee. In performing this labour, these workers add value to the coffee beans and water that comprise the material ingredients of a cup of coffee. The worker also transfers the value of constant capital — the value of the beans; some specific depreciated value of the roaster and the brewer; and the value of the cup — to the value of the final cup of coffee. Again, on average the worker can transfer no more than the value of these means of labour previously possessed to the finished cup of coffee[note 2] So the value of coffee produced in a day equals the sum of both the value of the means of labour — this constant capital — and the value newly added by the worker in proportion to the duration and intensity of their work.

Often this is expressed mathematically as:

,
where
  • is the constant capital of materials used in a period plus the depreciated portion of tools and plant used in the process. (A period is typically a day, week, year, or a single turnover: meaning the time required to complete one batch of coffee, for example.)
  • is the quantity of labour time (average skill and productivity) performed in producing the finished commodities during the period
  • is the value of the product of the period ( comes from the German word for value: wert)

Note: if the product resulting from the labour process is homogeneous (all similar in quality and traits, for example, all cups of coffee) then the value of the period’s product can be divided by the total number of items (use-values or ) produced to derive the unit value of each item. where is the total items produced.

The LTV further divides the value added during the period of production, , into two parts. The first part is the portion of the process when the workers add value equivalent to the wages they are paid. For example, if the period in question is one week and these workers collectively are paid $1,000, then the time necessary to add $1,000 to — while preserving the value of — constant capital is considered the necessary labour portion of the period (or week): denoted . The remaining period is considered the surplus labour portion of the week: or . The value used to purchase labour-power, for example the $1,000 paid in wages to these workers for the week, is called variable capital (). This is because in contrast to the constant capital expended on means of production, variable capital can add value in the labour process. The amount it adds depends on the duration, intensity, productivity and skill of the labour-power purchased: in this sense the buyer of labour-power has purchased a commodity of variable use. Finally, the value added during the portion of the period when surplus labour is performed is called surplus value (). From the variables defined above, we find two other common expression for the value produced during a given period as:

and

The first form of the equation expresses the value resulting from production, focusing on the costs and the surplus value appropriated in the process of production, . The second form of the equation focuses on the value of production in terms of the valued added by the labour performed during the process .

The relation between values and prices

One issue facing the LTV is the relationship between value quantities on one hand and prices on the other. If a commodity's value is not the same as its price, and therefore the magnitudes of each likely differ, then what is the relation between the two, if any? Various LTV schools of thought provide different answers to this question. For example, some argue that value in the sense of the amount of labour embodied in a good acts as a centre of gravity for price.

However, most economists would say that cases where pricing is even approximately equal to the value of the labour embodied are only special cases, and not the general case. In the standard formulation, prices also normally include a level of income for "capital" and "land". These incomes are known as "profit" and "rent" respectively.

In Book 1, chapter VI, Adam Smith writes:

The real value of all the different component parts of price, it must be observed, is measured by the quantity of labour which they can, each of them, purchase or command. Labour measures the value not only of that part of price which resolves itself into labour, but of that which resolves itself into rent, and of that which resolves itself into profit.

The final sentence explains how Smith sees value of a product as relative to labour of buyer or consumer, as opposite to Marx who sees the value of a product being proportional to labour of labourer or producer. And we value things, price them, based on how much labour we can avoid or command, and we can command labour not only in a simple way but also by trading things for a profit.

The demonstration of the relation between commodities' unit values and their respective prices is known in Marxian terminology as the transformation problem or the transformation of values into prices of production. The transformation problem has probably generated the greatest bulk of debate about the LTV. The problem with transformation is to find an algorithm where the magnitude of value added by labour, in proportion to its duration and intensity, is sufficiently accounted for after this value is distributed through prices that reflect an equal rate of return on capital advanced. If there is an additional magnitude of value or a loss of value after transformation compared with before then the relation between values (proportional to labour) and prices (proportional to total capital advanced) is incomplete. Various solutions and impossibility theorems have been offered for the transformation, but the debate has not reached any clear resolution.

LTV does not deny the role of supply and demand influencing price, since the price of a commodity is something other than its value. In Value, Price and Profit (1865), Karl Marx quotes Adam Smith and sums up:

It suffices to say that if supply and demand equilibrate each other, the market prices of commodities will correspond with their natural prices, that is to say, with their values as determined by the respective quantities of labour required for their production.[7]

The LTV seeks to explain the level of this equilibrium. This could be explained by a cost of production argument—pointing out that all costs are ultimately labour costs, but this does not account for profit, and it is vulnerable to the charge of tautology in that it explains prices by prices.[8] Marx later called this "Smith's adding up theory of value".

Smith argues that labour values are the natural measure of exchange for direct producers like hunters and fishermen.[9] Marx, on the other hand, uses a measurement analogy, arguing that for commodities to be comparable they must have a common element or substance by which to measure them,[10] and that labour is a common substance of what Marx eventually calls commodity-values.[11]

Origins of the labour theory of value

The labour theory of value has developed over many centuries. It had no single originator, but rather many different thinkers arrived at the same conclusion independently. Some writers trace its origin to Thomas Aquinas.[12][13] In his Summa Theologiae (1265–1274) he expresses the view that "... value can, does and should increase in relation to the amount of labour which has been expended in the improvement of commodities."[14] Scholars such as Joseph Schumpeter have cited Ibn Khaldun, who in his Muqaddimah (1377), described labour as the source of value, necessary for all earnings and capital accumulation. He argued that even if earning “results from something other than a craft, the value of the resulting profit and acquired (capital) must (also) include the value of the labour by which it was obtained. Without labour, it would not have been acquired.”[15] Scholars have also pointed to Sir William Petty's Treatise of Taxes of 1662[16] and to John Locke's labour theory of property, set out in the Second Treatise on Government (1689), which sees labour as the ultimate source of economic value. Karl Marx himself credited Benjamin Franklin in his 1729 essay entitled "A Modest Enquiry into the Nature and Necessity of a Paper Currency" as being "one of the first" to advance the theory.[17]

Adam Smith accepted the theory for pre-capitalist societies but saw a flaw in its application to contemporary capitalism. He pointed out that if the "labour embodied" in a product equaled the "labour commanded" (i.e. the amount of labour that could be purchased by selling it), then profit was impossible. David Ricardo (seconded by Marx) responded to this paradox by arguing that Smith had confused labour with wages. "Labour commanded", he argued, would always be more than the labour needed to sustain itself (wages). The value of labour, in this view, covered not just the value of wages (what Marx called the value of labour power), but the value of the entire product created by labour.[18]

Ricardo's theory was a predecessor of the modern theory that equilibrium prices are determined solely by production costs associated with Neo-Ricardianism.[19]

Based on the discrepancy between the wages of labour and the value of the product, the "Ricardian socialists" — Charles Hall, Thomas Hodgskin, John Gray, and John Francis Bray, and Percy Ravenstone[20] — applied Ricardo's theory to develop theories of exploitation.

Marx expanded on these ideas, arguing that workers work for a part of each day adding the value required to cover their wages, while the remainder of their labour is performed for the enrichment of the capitalist. The LTV and the accompanying theory of exploitation became central to his economic thought.

19th century American individualist anarchists based their economics on the LTV, with their particular interpretation of it being called "Cost the limit of price". They, as well as contemporary individualist anarchists in that tradition, hold that it is unethical to charge a higher price for a commodity than the amount of labour required to produce it. Hence, they propose that trade should be facilitated by using notes backed by labour.

Adam Smith and David Ricardo

Adam Smith held that, in a primitive society, the amount of labour put into producing a good determined its exchange value, with exchange value meaning in this case the amount of labour a good can purchase. However, according to Smith, in a more advanced society the market price is no longer proportional to labour cost since the value of the good now includes compensation for the owner of the means of production: "The whole produce of labour does not always belong to the labourer. He must in most cases share it with the owner of the stock which employs him."[21] "Nevertheless, the 'real value' of such a commodity produced in advanced society is measured by the labour which that commodity will command in exchange. ... But [Smith] disowns what is naturally thought of as the genuine classical labour theory of value, that labour-cost regulates market-value. This theory was Ricardo’s, and really his alone."[22]

Classical economist David Ricardo's labour theory of value holds that the value of a good (how much of another good or service it exchanges for in the market) is proportional to how much labour was required to produce it, including the labour required to produce the raw materials and machinery used in the process. David Ricardo stated it as, "The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labour which is necessary for its production, and not as the greater or less compensation which is paid for that labour." (Ricardo 1817) In this heading Ricardo seeks to differentiate the quantity of labour necessary to produce a commodity from the wages paid to the labourers for its production. However, Ricardo was troubled with some deviations in prices from proportionality with the labour required to produce them. For example, he said "I cannot get over the difficulty of the wine, which is kept in the cellar for three or four years [i.e., while constantly increasing in exchange value], or that of the oak tree, which perhaps originally had not 2 s. expended on it in the way of labour, and yet comes to be worth £100."(Quoted in Whitaker) Of course, a capitalist economy stabilizes this discrepancy until the value added to aged wine is equal to the cost of storage. If anyone can hold onto a bottle for four years and become rich, that would make it hard to find freshly corked wine. There is also the theory that adding to the price of a luxury product increases its exchange-value by mere prestige.

The labour theory as an explanation for value contrasts with the subjective theory of value, which says that value of a good is not determined by how much labour was put into it but by its usefulness in satisfying a want and its scarcity. Ricardo's labour theory of value is not a normative theory, as are some later forms of the labour theory, such as claims that it is immoral for an individual to be paid less for his labour than the total revenue that comes from the sales of all the goods he produces.

It is arguable to what extent these classical theorists held the labour theory of value as it is commonly defined.[23][24][25][26] For instance, David Ricardo theorized that prices are determined by the amount of labour but found exceptions for which the labour theory could not account. In a letter, he wrote: "I am not satisfied with the explanation I have given of the principles which regulate value." Adam Smith theorized that the labour theory of value holds true only in the "early and rude state of society" but not in a modern economy where owners of capital are compensated by profit. As a result, "Smith ends up making little use of a labour theory of value."[27]

Anarchism

File:LabourNote.JPG
Sample labour for labour note for the Cincinnati Time Store. Scanned from Equitable Commerce (1846) by Josiah Warren

Pierre Joseph Proudhon's mutualism[28] and American individualist anarchists such as Josiah Warren, Lysander Spooner and Benjamin Tucker[29] adopted the liberal Labour Theory of Value of classical economics but used it to criticise capitalism instead favouring a non-capitalist market system.[30]

Josiah Warren is widely regarded as the first American anarchist,[31][32] and the four-page weekly paper he edited during 1833, The Peaceful Revolutionist, was the first anarchist periodical published,[33]Cost the limit of price was a maxim coined by Josiah Warren, indicating a (prescriptive) version of the labour theory of value. Warren maintained that the just compensation for labour (or for its product) could only be an equivalent amount of labour (or a product embodying an equivalent amount).[34] Thus, profit, rent, and interest were considered unjust economic arrangements[35] In keeping with the tradition of Adam Smith's The Wealth of Nations,[36] the "cost" of labour is considered to be the subjective cost; i.e., the amount of suffering involved in it.[34] He put his theories to the test by establishing an experimental "labour for labour store" called the Cincinnati Time Store at the corner of 5th and Elm Streets in what is now downtown Cincinnati, where trade was facilitated by notes backed by a promise to perform labour. "All the goods offered for sale in Warren's store were offered at the same price the merchant himself had paid for them, plus a small surcharge, in the neighborhood of 4 to 7 percent, to cover store overhead."[32] The store stayed open for three years; after it closed, Warren could pursue establishing colonies based on mutualism. These included "Utopia" and "Modern Times." Warren said that Stephen Pearl Andrews' The Science of Society, published in 1852, was the most lucid and complete exposition of Warren's own theories.[37]

Mutualism is an economic theory and anarchist school of thought that advocates a society where each person might possess a means of production, either individually or collectively, with trade representing equivalent amounts of labour in the free market.[38] Integral to the scheme was the establishment of a mutual-credit bank that would lend to producers at a minimal interest rate, just high enough to cover administration.[39] Mutualism is based on a labour theory of value that holds that when labour or its product is sold, in exchange, it ought to receive goods or services embodying "the amount of labour necessary to produce an article of exactly similar and equal utility".[40] Mutualism originated from the writings of philosopher Pierre-Joseph Proudhon.

Collectivist anarchism as defended by Mikhail Bakunin defended a form of labour theory of value when it advocated a system where "all necessaries for production are owned in common by the labour groups and the free communes ... based on the distribution of goods according to the labour contributed".[41]

Karl Marx

Contrary to popular belief,[42] Marx opposed "ascribing a supernatural creative power to labour", arguing that:

Labour is not the source of all wealth. Nature is just as much a source of use values (and it is surely of such that material wealth consists!) as labour, which is itself only the manifestation of a force of nature, human labour power.[43]

Here Marx was distinguishing between exchange value (the subject of the LTV) and use value.

Marx used the concept of "socially necessary abstract labour-time" to introduce a social perspective distinct from his predecessors and neoclassical economics. Whereas most economists start with the individual's perspective, Marx started with the perspective of society as a whole. "Social production" involves a complicated and interconnected division of labour of a wide variety of people who depend on each other for their survival and prosperity. "Abstract" labour refers to a characteristic of commodity-producing labour that is shared by all different kinds of heterogeneous (concrete) types of labour. That is, the concept abstracts from the particular characteristics of all of the labour and is akin to average labour.

"Socially necessary" labour refers to the quantity required to produce a commodity "in a given state of society, under certain social average conditions or production, with a given social average intensity, and average skill of the labour employed."[44] That is, the value of a product is determined more by societal standards than by individual conditions. This explains why technological breakthroughs lower the price of commodities and put less advanced producers out of business. Finally, it is not labour per se, which creates value, but labour power sold by free wage workers to capitalists. Another distinction to be made is that between productive and unproductive labour. Only wage workers of productive sectors of the economy produce value.[note 3]

Capitalist labour economics

There are two sides to labour economics in capitalist systems. Labour economics can be seen as the application of microeconomic techniques to the labor market or the use of macroeconomic techniques. Microeconomic techniques study the role of individuals in the labour market. Macroeconomic techniques look at the interrelations between the labour market, the goods market, the money market, and the foreign trade market. It looks at how these interactions influence macro variables such as employment levels, participation rates, aggregate income and Gross Domestic Product.

Labour process

The labour process is the basis of the connexion between labour and capitalist economics. First, capitalist buys labour-power in order to use it; and labour-power in use is labour itself. The purchaser of labour-power consumes it by setting the seller of it to work. By working, the latter becomes actually, what before he only was potentially, labour-power in action, a labourer. In order that his labour may re-appear in a commodity, he must, before all things, expend it on something useful, on something capable of satisfying a want of some sort.[1] Hence, what the capitalist sets the labourer to produce, is a particular use-value, a specified article. The fact that the production of use-values, or goods, is carried on under the control of a capitalist and on his behalf, does not alter the general character of that production. We shall, therefore, in the first place, have to consider the labour-process independently of the particular form it assumes under given social conditions.[45]


Neoclassical macroeconomics of labour markets

The labour force is defined as the number of people of working age, who are either employed or actively looking for work. The participation rate is the number of people in the labour force divided by the size of the adult civilian non-institutional population (or by the population of working age that is not institutionalised). The non-labour force includes those who are not looking for work, those who are institutionalised such as in prisons or psychiatric wards, stay-at home spouses, children, and those serving in the military. The unemployment level is defined as the labour force minus the number of people currently employed. The unemployment rate is defined as the level of unemployment divided by the labour force. The employment rate is defined as the number of people currently employed divided by the adult population (or by the population of working age). In these statistics, self-employed people are counted as employed.

Variables like employment level, unemployment level, labour force, and unfilled vacancies are called stock variables because they measure a quantity at a point in time. They can be contrasted with flow variables which measure a quantity over a duration of time. Changes in the labour force are due to flow variables such as natural population growth, net immigration, new entrants, and retirements from the labour force. Changes in unemployment depend on: inflows made up of non-employed people starting to look for jobs and of employed people who lose their jobs and look for new ones; and outflows of people who find new employment and of people who stop looking for employment. When looking at the overall macroeconomy, several types of unemployment have been identified, including:

  • Frictional unemployment — This reflects the fact that it takes time for people to find and settle into new jobs. If 12 individuals each take one month before they start a new job, the aggregate unemployment statistics will record this as a single unemployed worker. Technological advancement often reduces frictional unemployment, for example: internet search engines have reduced the cost and time associated with locating employment.
  • Structural unemployment — This reflects a mismatch between the skills and other attributes of the labour force and those demanded by employers. If 4 workers each take six months off to re-train before they start a new job, the aggregate unemployment statistics will record this as two unemployed workers. Rapid industry changes of a technical and/or economic nature will usually increase levels of structural unemployment, for example: widespread implementation of new machinery or software will require future employees to be trained in this area before seeking employment. The process of globalisation has contributed to structural changes in labour, some domestic industries such as textile manufacturing have expanded to cope with global demand, whilst other industries such as agricultural products have contracted due to greater competition from international producers.
  • Natural rate of unemployment — This is the summation of frictional and structural unemployment, that excludes cyclical contributions of unemployment e.g. recessions. It is the lowest rate of unemployment that a stable economy can expect to achieve, seeing as some frictional and structural unemployment is inevitable. Economists do not agree on the natural rate, with estimates ranging from 1% to 5%, or on its meaning — some associate it with "non-accelerating inflation". The estimated rate varies from country to country and from time to time.
  • Demand deficient unemployment — In Keynesian economics, any level of unemployment beyond the natural rate is most likely due to insufficient demand in the overall economy. During a recession, aggregate expenditure, is deficient causing the underutilisation of inputs (including labour). Aggregate expenditure (AE) can be increased, according to Keynes, by increasing consumption spending (C), increasing investment spending (I), increasing government spending (G), or increasing the net of exports minus imports (X−M).
    {AD = C + I + G + (X−M)}

Neoclassical microeconomics of labour markets

Neo-classical economists view the labour market as similar to other markets in that the forces of supply and demand jointly determine price (in this case the wage rate) and quantity (in this case the number of people employed).

However, the labour market differs from other markets (like the markets for goods or the financial market) in several ways. Perhaps the most important of these differences is the function of supply and demand in setting price and quantity. In markets for goods, if the price is high there is a tendency in the long run for more goods to be produced until the demand is satisfied. With labour, overall supply cannot effectively be manufactured because people have a limited amount of time in the day, and people are not manufactured.

The labour market also acts as a non-clearing market: according to neoclassical theory most markets have a point of equilibrium without excess surplus or demand, but the labour market is expected to have a persistent level of unemployment. Contrasting the labour market to other markets also reveals persistent compensating differentials among similar workers. The standard competitive assumption leads to clear conclusions: workers earn their marginal product of labour.[46]

Criticisms

Many sociologists, political economists, and heterodox economists claim that labour economics tends to lose sight of the complexity of individual employment decisions.[citation needed] These decisions, particularly on the supply side, are often loaded with considerable emotional baggage and a purely numerical analysis can miss important dimensions of the process, such as social benefits of a high income or wage rate regardless of the marginal utility from increased consumption or specific economic goals.

From the perspective of mainstream economics, neoclassical models are not meant to serve as a full description of the psychological and subjective factors that go into a given individual's employment relations, but as a useful approximation of human behaviour in the aggregate, which can be fleshed out further by the use of concepts such as information asymmetry, transaction costs, contract theory etc.

Also missing from most labour market analyses is the role of unpaid labour. Even though this type of labour is unpaid it can nevertheless play an important part in society. The most dramatic example is child raising. However, over the past 25 years an increasing literature, usually designated as the economics of the family, has sought to study within household decision making, including joint labour supply, fertility, child raising, as well as other areas of what is generally referred to as home production.[47]

Wage slavery

The labour market, as institutionalised under today's market economic systems, has been criticised,[48] especially by both mainstream socialists and anarcho-syndicalists,[49][50][51][52] who utilise the term wage slavery[53][54] as a pejorative for wage labour. Socialists draw parallels between the trade of labour as a commodity and slavery. Cicero is also known to have suggested such parallels.[55]

According to Noam Chomsky, analysis of the psychological implications of wage slavery goes back to the Enlightenment era. In his 1791 book On the Limits of State Action, classical liberal thinker Wilhelm von Humboldt explained how "whatever does not spring from a man's free choice, or is only the result of instruction and guidance, does not enter into his very nature; he does not perform it with truly human energies, but merely with mechanical exactness" and so when the labourer works under external control, "we may admire what he does, but we despise what he is."[56] Both the Milgram and Stanford experiments have been found useful in the psychological study of wage-based workplace relations.[57]

The American philosopher John Dewey posited that until "industrial feudalism" is replaced by "industrial democracy," politics will be "the shadow cast on society by big business".[58] Thomas Ferguson has postulated in his investment theory of party competition that the undemocratic nature of economic institutions under capitalism causes elections to become occasions when blocs of investors coalesce and compete to control the state.[59]

As per anthropologist David Graeber, the earliest wage labour contracts we know about were in fact contracts for the rental of chattel slaves (usually the owner would receive a share of the money, and the slave, another, with which to maintain his or her living expenses.) Such arrangements, according to Graeber, were quite common in New World slavery as well, whether in the United States or Brazil. C. L. R. James argued that most of the techniques of human organisation employed on factory workers during the industrial revolution were first developed on slave plantations.[60]

Additionally, Marxists posit that labour-as-commodity, which is how they regard wage labour,[61] provides an absolutely fundamental point of attack against capitalism.[62] "It can be persuasively argued," noted one concerned philosopher, "that the conception of the worker's labour as a commodity confirms Marx's stigmatisation of the wage system of private capitalism as 'wage-slavery;' that is, as an instrument of the capitalist's for reducing the worker's condition to that of a slave, if not below it."[63]

See also

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References

  1. ^ a b c [1]
  2. ^ Fine, Ben; Saad-Filho, Alfredo (2010). Marx's Capital (5th ed. ed.). London: Pluto Press. p. 20. ISBN 978-0-7453-3016-7. {{cite book}}: |edition= has extra text (help)
  3. ^ e.g. see - Junankar, P. N., Marx's economics, Oxford : Philip Allan, 1982, ISBN 0-86003-125-X or Peach, Terry "Interpreting Ricardo", Cambridge: Cambridge University Press, 1993, ISBN 0-521-26086-8
  4. ^ e.g. see - Junankar, P. N., Marx's economics, Oxford : Philip Allan, 1982, ISBN 0-86003-125-X or Peach, Terry "Interpreting Ricardo", Cambridge: Cambridge University Press, 1993, ISBN 0-521-26086-8
  5. ^ Ricardo, David (1823), 'Absolute Value and Exchange Value', in "The Works and Correspondence of David Ricardo", Volume 4, Cambridge University Press, 1951 and Sraffa, Piero and Maurice Dobb (1951), 'Introduction', in "The Works and Correspondence of David Ricardo", Volume 1, Cambridge University Press, 1951.
  6. ^ Proudhon, Pierre J., 1851, General Idea of the Revolution in the 19th Century, study 6.
  7. ^ Marx, Karl (1865). Value, Price and Profit.
  8. ^ Piero Sraffa and Maurice H. Dobb (1951). "General Preface", The Works and Correspondence of David Ricardo, Vol. 1, Cambridge University Press
  9. ^ Smith On Labour Value
  10. ^ Marx, Karl Value Price and Profit
  11. ^ (Marx 1867)
  12. ^ Russel, Bertrand (1946). History of Western philosophy. p. 578.
  13. ^ Baeck, L. (1994). The Mediterranean tradition in economic thought. New York: Routledge. p. 151. ISBN 0415093015.
  14. ^ Jaffe, Austin J.; Lusht, Kenneth M. (2003). "The History of the Value Theory: The Early Years". Essays in honor of William N. Kinnard, Jr. Boston: Kluwer Academic. p. 11. ISBN 1402075162.
  15. ^ Oweiss, I. M. (1988). "Ibn Khaldun, the Father of Economics". Arab Civilization: Challenges and Responses. New York University Press. ISBN 0-88706-698-4.
  16. ^ Parrington vol 1 ch 3
  17. ^ Karl Marx,Value, Price and Profit, 1865, Part VI.
  18. ^ Ormazabal, Kepa M. (2006); Adam Smith on Labour and Value: Challenging the Standard Interpretation
  19. ^ Template:Wayback, New School University
  20. ^ Template:Wayback, History of Economic Thought, New School University
  21. ^ Smith quoted in Whitaker, Albert C. History and Criticism of the Labour Theory of Value, pp. 15-16
  22. ^ Whitaker, Albert C. History and Criticism of the Labour Theory of Value, pp. 15-16
  23. ^ Whitaker, Albert C. Albert C. Whitaker, History and Criticism of the Labour Theory of Value
  24. ^ Gordon, Donald, F. (1959). What Was the Labour Theory of Value? (PDF). Vol. 49. pp. 462–472. {{cite book}}: |journal= ignored (help)CS1 maint: multiple names: authors list (link)
  25. ^ Jstor.org King, Peter and Ripstein Arthur. Did Marx Hold a Labour Theory of Value?
  26. ^ University of Toronto.ca
  27. ^ Canterbery, E. Ray, A Brief History of Economics: Artful Approaches to the Dismal Science, World Scientific (2001), pp. 52-53
  28. ^ "Thus, the classical solution of expressing the value of goods and services in terms of man hours, which was developed by the orthodox (political) economists of the time, was adopted by both Proudhon and Marx." http://www.inclusivedemocracy.org/dn/vol6/takis_proudhon.htm "Beyond Marx and Proudhon" by Takis Fotopoulos
  29. ^ "The most basic difference is that the individualist anarchists rooted their ideas in the labour theory of value while the "anarcho"-capitalists favour mainstream marginalist theory." An Anarchist FAQ
  30. ^ "Like Proudhon, they desired a (libertarian) socialist system based on the market but without exploitation and which rested on possession rather than capitalist private property"An Anarchist FAQ
  31. ^ Palmer, Brian (2010-12-29) What do anarchists want from us?, Slate.com
  32. ^ a b Riggenbach, Jeff (2011-02-25) Josiah Warren: The First American Anarchist, Mises Institute
  33. ^ William Bailie, [2] Josiah Warren: The First American Anarchist — A Sociological Study, Boston: Small, Maynard & Co., 1906, p. 20
  34. ^ a b In Equitable Commerce, Warren writes, "If a priest is required to get a soul out of purgatory, he sets his price according to the value which the relatives set upon his prayers, instead of their cost to the priest. This, again, is cannibalism. The same amount of labour equally disagreeable, with equal wear and tear, performed by his customers, would be a just remuneration
  35. ^ Wendy McElroy, "Individualist Anarchism vs. "Libertarianism" and Anarchocommunism," in the New Libertarian, issue #12, October, 1984.
  36. ^ Smith writes: "The real price of every thing, what every thing really costs to the man who wants to acquire it, is the toil and trouble of acquiring it." Note, also, the sense of "labour" meaning "suffering."
  37. ^ Charles A. Madison. "Anarchism in the United States". Journal of the History of Ideas, Vol. 6, No. 1. (Jan., 1945), pp. 53
  38. ^ "Introduction". Mutualist.org. Retrieved 2010-04-29.
  39. ^ Miller, David. 1987. "Mutualism." The Blackwell Encyclopedia of Political Thought. Blackwell Publishing. p. 11
  40. ^ Tandy, Francis D., 1896, Voluntary Socialism, chapter 6, paragraph 15.
  41. ^ — Darby Tillis. "An Anarchist FAQ". Infoshop.org. Retrieved 2010-09-20.
  42. ^ cf E F Schumacher,Small is Beautiful, Pt 1, ch 1.
  43. ^ Critique of the Gotha Program ch 1
  44. ^ "Value, Price and Profit ch 6
  45. ^ [3]
  46. ^ Gustav Ranis (February 1997). "The Micro-Economics of Surplus Labour" (PDF). Yale University.
  47. ^ (Sandiaga S. Unno, Anindya N Bakrie, Rosan Perkasa, Morendy Octora : The Young Strategic Renaissance's In Asia)
  48. ^ Ellerman 1992.
  49. ^ Thompson 1966, p. 599.
  50. ^ Thompson 1966, p. 912.
  51. ^ Ostergaard 1997, p. 133.
  52. ^ Lazonick 1990, p. 37.
  53. ^ "wage slave". merriam-webster.com. Retrieved 4 March 2013.
  54. ^ "wage slave". dictionary.com. Retrieved 4 March 2013.
  55. ^ "...vulgar are the means of livelihood of all hired workmen whom we pay for mere manual labour, not for artistic skill; for in their case the very wage they receive is a pledge of their slavery." – De Officiis [4]
  56. ^ Chomsky 1993, p. 19.
  57. ^ Thye & Lawler 2006.
  58. ^ "As long as politics is the shadow cast on society by big business, the attenuation of the shadow will not change the substance", in "The Need for a New Party" (1931), Later Works 6, p163
  59. ^ Ferguson 1995.
  60. ^ Graeber 2004, p. 37.
  61. ^ Marx 1990, p. 1006: "[L]abour-power, a commodity sold by the worker himself."
  62. ^ Another one, of course, being the capitalists' alleged theft from workers via surplus-value.
  63. ^ Nelson 1995, p. 158. This Marxist objection is what motivated Nelson's essay, which claims that labour is not, in fact, a commodity.

Notes

  1. ^ Unless otherwise noted, the description of the labour process and the role of the value of means of production in this section are drawn from chapter 7 of Capital vol1 (Marx 1867).
  2. ^ In the case of instruments of labour, such as the roaster and the brewer (or even a ceramic cup) the value transferred to the cup of coffee is only a depreciated value calculated over the life of those instruments of labour according to some accounting convention.
  3. ^ For the difference between wage workers and working animals or slaves confer: John R. Bell: Capitalism and the Dialectic - The Uno-Sekine Approach to Marxian Political Economy, p. 45. London, Pluto Press 2009

Further reading

Orley C. Ashenfelter and Richard Layard, ed., 1986, v. 1 & 2;
Orley Ashenfelter and David Card, ed., 1999, v. 3A, 3B, and 3C
Orley Ashenfelter and David Card, ed., 2011, v. 4A & 4B.
  • Vianello, F. [1987], “Labour theory of value”, in: Eatwell, J. and Milgate, M. and Newman, P. (eds.): The New Palgrave: A Dictionary of Economics, Macmillan e Stockton, London e New York, ISBN 978-09-35-85910-2.
  • Wolff, Jonathan (2003). " Karl Marx in Stanford Encyclopedia of Philosophy
  • Wolff, Richard D., Bruce B. Roberts and Antonio Callari (1982), "Marx's (not Ricardo's) 'Transformation Problem': A Radical Reconceptualization", History of Political Economy, 14 (4): 564–82, doi:10.1215/00182702-14-4-564.{{citation}}: CS1 maint: multiple names: authors list (link)

External links