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OLIGOPOLY, CONCENTRATION: Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.
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AGGREGATE DEMAND INCREASE, LONG-RUN AGGREGATE MARKET A shock to the long-run aggregate market caused by an increase in aggregate demand resulting in and illustrated by a rightward shift of the aggregate demand curve. An increase in aggregate demand in the long-run aggregate market results in an increase in the price level but no change in real production. The level of real production resulting from the aggregate demand shock is full-employment real production.
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GRAY SKITTERY [What's This?]
Today, you are likely to spend a great deal of time at a garage sale wanting to buy either 500 feet of coaxial cable or a coffee cup commemorating the 1960 Presidential election. Be on the lookout for telephone calls from former employers. Your Complete Scope
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
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"Aerodynamically, the bumblebee shouldn't be able to fly, but the bumblebee doesn't know it so it goes on flying anyway. " -- Mary Kay Ash, entrepreneur
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ATM Automated Teller Machine
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