Portal:Business and economics

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The New York Stock Exchange floor

In the social sciences, economics is the study of human choice behavior and the methodology used to make associated investment and production decisions; in particular, though not limited to, how those choices and decisions determine the allocation of scarce resources and their effect on production, distribution, and consumption. The word "economics" is from the Greek words οἶκος [oikos], meaning "family, household, estate", and νόμος [nomos], or "custom, law", and hence literally means "household management" or "management of the state". An economist is a person using economic concepts and data in the course of employment, or someone who has earned a university degree in the subject. Economics undergraduate courses always cover at least the two main branches:

  • Microeconomics studies the behavior of individual households and firms in making decisions on the allocation of limited resources. Microeconomics applies to markets where goods or services are bought and sold. It examines how decisions and behaviors affect the supply and demand for goods and services, which determines prices, and how prices, in turn, determine the quantity supplied and quantity demanded of goods and services.
  • Macroeconomics deals with the performance, structure, behavior, and decision-making of an economy as a whole, rather than individual markets. This includes national, regional, and global economies.

However, there are also other sub-fields of economics.

In economics, economic systems is the study and analysis of organizing production, distribution, consumption and investment and the study of optimal resource allocation and institutional design. Traditionally the study of economic systems was based on a dichotomy between market economies and planned economies, but contemporary studies compare and contrast a number of different variables, such as ownership structure (Public, Private or Collective), economic coordination (planning, markets or mixed), management structure (Hierarchy versus adhocracy), the incentive system, and the level of centralization in decision-making. An economy can be analyzed in terms of its economic sectors, the classic breakdown being into primary, secondary and tertiary. A business, also known as an enterprise or a firm, is an organization involved in the trade of goods, services, or both to consumers. Businesses are prevalent in capitalist economies, where most of them are privately owned and provide goods and services to customers in exchange of other goods, services, or money. Businesses may also be not-for-profit or state-owned. Management in business and organizations is the function that coordinates the efforts of people to accomplish goals and objectives using available resources efficiently and effectively. Management comprises planning, organizing, staffing, leading or directing, and controlling an organization or initiative to accomplish a goal. Management is also an academic discipline, and is traditionally taught at business schools. Economic policy refers to the actions that governments take in the economic field. It covers the systems for setting interest rates and government budget as well as the labor market regulations, national ownership, trade policy, monetary policy, fiscal policy, regulatory policy, anti-trust policy and industrial policy. In economics, sustainable development refers to development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

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A contemporary French print on the English custom of wife selling

Wife selling was a traditional English practice for ending an unsatisfactory marriage. Instead of dealing with an expensive and dragged-out divorce, a husband would take his wife to market and parade her with a halter around her neck, arm, or waist, before publicly auctioning her to the highest bidder. Any children from the marriage might also be sold along with their mother. Prices paid for wives varied considerably, from a high of £100 (plus £25 each for her two children), to a low of a glass of ale, or even free. The Duke of Chandos bought his second wife at one such sale in Newbury in about 1744. Along with other English customs, wife selling was exported to England's American colonies, where one man sold his wife for "two dollars and half [a] dozen bowls of grogg". Husbands were sometimes sold by their wives in a similar manner, but much less frequently. Wife selling persisted in some form into the early 20th century, as general attitudes began to shift.

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An auctioneer and her assistants scan the crowd for bidders.
Photo credit: Indianhilbilly

An auction is a process of buying and selling goods or services by offering them up for bid, taking bids, and then selling the item to the highest bidder. In economic theory, an auction may refer to any mechanism or set of trading rules for exchange.

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North Tehran Towers.jpg

The economy of Iran is a mixed and transition economy with a large public sector. Some 60% of the economy is centrally planned. It is dominated by oil and gas production, although over 40 industries are directly involved in the Tehran Stock Exchange, one of the best performing exchanges in the world over the past decade. With 10% of the world's proven oil reserves and 15% of its gas reserves, Iran is considered an "energy superpower".

It is the world's eighteenth largest by purchasing power parity (PPP) and thirty-second by nominal gross domestic product. The country is a member of Next Eleven because of its high development potential.

A unique feature of Iran's economy is the presence of large religious foundations called Bonyad, whose combined budgets represent more than 30% of central government spending.

Selected quote

"In most job markets the employer is not sure of the productive capabilities of an individual at the time he hires him. Nor will this information necessarily become available to the employer immediately after hiring. The job may take time to learn. Often specific training is required. And there may be a contract period within which no recontracting is allowed. The fact that it takes time to learn an individual's productive capabilities means that hiring is an investment decision. The fact that these capabilities are not known beforehand makes the decision one under uncertainty. To hire someone, then, is frequently to purchase a lottery. In what follows, I shall assume the employer pays the certain monetary equivalent of the lottery to the individual as wage. If he is risk-neutral the wage is taken to be the individual's marginal contribution to the hiring organization."

Michael Spence, Job Market Signaling, 1973
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  • ...the term petrodollars was coined by Ibrahim Oweiss to describe dollars that did not circulate inside the United States, and therefore were not part of the normal money supply, and instead were received by petroleum exporting countries (OPEC) in exchange for oil?

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