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ASSUMPTIONS, KEYNESIAN ECONOMICS: The macroeconomic study of Keynesian economics relies on three key assumptions--rigid prices, effective demand, and savings-investment determinants. First, rigid or inflexible prices prevent some markets from achieving equilibrium in the short run. Second, effective demand means that consumption expenditures are based on actual income, not full employment or equilibrium income. Lastly, important savings and investment determinants include income, expectations, and other influences beyond the interest rate. These three assumptions imply that the economy can achieve a short-run equilibrium at less than full-employment production.
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AGGREGATE SUPPLY The total (or aggregate) real production of final goods and services available in the domestic economy at a range of price levels, during a given time period. Aggregate supply, usually abbreviated AS, is two different relations between price level and real production--long run and short run. With long-run aggregate supply, prices and wages are flexible and all markets are in equilibrium. With short-run aggregate supply some prices and wage are NOT flexible and some markets are NOT in equilibrium. This is one half of the AS-AD (aggregate market) analysis. The other half is aggregate demand.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time watching infomercials trying to buy either a turbo-powered vacuum cleaner or a battery-powered, rechargeable vacuum cleaner. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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Woodrow Wilson's portrait adorned the $100,000 bill that was removed from circulation in 1929. Woodrow Wilson was removed from circulation in 1924.
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"Executives who get there and stay suggest solutions when they present the problems. " -- Malcolm Forbes, business executive
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MSE
Mean Square Error
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