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PERFECT COMPETITION, PROFIT MAXIMIZATION: A perfectly competitive firm is presumed to produce the quantity of output that maximizes economic profit--the difference between total revenue and total cost. This production decision can be analyzed directly with economic profit, by identifying the greatest difference between total revenue and total cost, or by the equality between marginal revenue and marginal cost.
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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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Paper money used by the Commonwealth of Massachusetts prior to the U.S. Revolutionary War, which was issued against the dictates of Britain, was designed by patriot and silversmith, Paul Revere.
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"The way to gain a good reputation is to endeavor to be what you desire to appear. " -- Socrates, philosopher
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FDIC
Federal Deposit Insurance Corporation
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