Steady state (macroeconomics)
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For other uses, see steady state (disambiguation).
The steady state is a condition of the economy in which output per worker (productivity of labor) and capital per worker (capital intensity) do not change over time. This is due to the rate of new capital production from invested savings exactly equaling the rate of existing capital depreciation. Exogenous growth models show how economies will naturally tend to a steady-state. The steady-state is generally associated with the Nobel Prize-winning economist Robert Solow, who created the Solow Model in 1956.
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[edit] Economy state
The hyphenated phrase "steady-state economy" is used in neoclassical economics to refer to an economy with steady ratios of capital to labor.[1] Here, a steady-state economy may be a stable steady-state, a growing steady-state, or receding steady-state, each of which may constitutes the steady state (no hyphen) economy.[1] A steady state may be stable in a dynamical system with deterministic generator function Nt+1=F(Nt) if, loosely, all nearby trajectories go to it.[2]
One way to break out of a steady-state would be the (instant) adoption of new technology that improves marginal productivity, another would be the (instant) adoption of a lower-depreciation technology. These improvements would be represented as changes to the given variables in typical growth models. These macroeconomic models would predict the drift to a new steady state (tending to a static output per worker different from the original level).
[edit] See also
- Carrying capacity
- Ecological footprint
- Economic growth
- Equilibrium
- Evolutionary economics
- Growth curve
- Herman Daly
- Limits to Growth
- Population dynamics
- Steady State theory
[edit] References
- ^ a b Czech, Brian. (February 19,2007) eoearth.org Steady state economy. Accessed: June 18, 2008.
- ^ economics.about.com Accessed: June 18, 2008.
[edit] External links
- Center for the Advancement of the Steady State Economy (CASSE)
- Eliminating the Need for Economic Growth
- Steady state economy entry at Encyclopedia of the Earth
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