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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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SHORTAGE A condition in the market in which the quantity demanded is greater than the quantity supplied at the existing price. Because buyers are unable to buy as much of the good as they want, a shortage generally causes an increase in the market price, which then acts to restore equilibrium. A shortage, which also goes by the terms excess demand and sellers' market, is one of two basic states of disequilibrium for the market. The other is surplus.
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PINK FADFLY
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Today, you are likely to spend a great deal of time browsing through a long list of dot com websites wanting to buy either a large, stuffed kitty cat or a cross-cut paper shredder. Be on the lookout for broken fingernail clippers.
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The first "Black Friday" on record, a friday marked by a major financial catastrophe, occurred on September 24, 1869 -- A FRIDAY -- when an attempted cornering of the gold market induced a financial crises and economy-wide depression.
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"After climbing a great hill, one finds many more hills to climb. " -- Nelson Mandela, president of South Africa
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AFEA
American Farm Economic Association
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