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KEYNESIAN AGGREGATE EXPENDITURE MODEL: The generic term for several graphical models used to analysis the basic components of Keynesian economics and to identify Keynesian equilibrium as the intersection of the aggregate expenditures line and the 45-degree line. Differences among the specific models are based on which sectors are included (household, business, government, and foreign) and whether expenditures are induced or autonomous.
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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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BLUE PLACIDOLA
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Today, you are likely to spend a great deal of time searching for a specialty store wanting to buy either a coffee cup commemorating the 2000 Olympics or a birthday gift for your grandmother. Be on the lookout for mail order catalogs with hidden messages.
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
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"I don't know the key to success, but the key to failure is trying to please everybody. " -- Bill Cosby
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ARMA
Autoregressive Moving Average
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