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PRICE CONTROLS: Government intervention in markets in which legal restrictions are placed on the prices charged. The two basic types of price controls are price ceilings and price floors. Price ceilings are maximum prices set below the equilibrium price. Price floors are minimum prices set above the equilibrium price. Price controls imposed on an otherwise efficient and competitive market create imbalances (shortages or surpluses) which cause inefficiency. However, imposing price controls on a market that fails to achieve efficiency (due to market control, externalities, or imperfect information) can actual improve efficiency. Price controls have also be used economy-wide in an attempt to reduce inflation.
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MARGINAL PROPENSITY FOR GOVERNMENT PURCHASES The change in government purchases induced by a change in income or production (national income or gross domestic product). The marginal propensity for government purchases (abbreviated MPG) is another term for the slope of the government purchases line and is calculated as the change in government purchases divided by the change in income or production. The MPG plays a role in Keynesian economics. It augments the slope of the aggregate expenditures line and is part of the multiplier process. A related marginal measure is the marginal propensity to consume.
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
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"Cherish your visions and your dreams as they are the children of your soul; the blue prints of your ultimate achievements." -- Napoleon Hill, Author
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SBA
Small Business Administration
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