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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 DEMAND DETERMINANTS An assortment of ceteris paribus factors other than the price level that affect aggregate demand, but which are assumed constant when the aggregate demand curve is constructed. Changes in any of the aggregate demand determinants cause the aggregate demand curve to shift. The specific ceteris paribus factors are commonly grouped by the four, broad expenditure categories--consumption expenditures, investment expenditures, government purchases, and net exports.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time wandering around the shopping mall hoping to buy either a large stuffed brown and white teddy bear or a replacement washer for your kitchen faucet. Be on the lookout for jovial bank tellers.
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This isn't me! What am I?
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John Maynard Keynes was born the same year Karl Marx died.
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"Don't waste your effort on a thing that results in a petty triumph unless you are satisfied with a life of petty issues. " -- John D. Rockefeller, industrialist
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BPEA
Brookings Papers on Economic Activity
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