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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, SHORT-RUN AGGREGATE MARKET A shock to the short-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 short-run aggregate market results in an increase in the price level and an increase in real production. The level of real production resulting from the shock can be greater or less than full-employment real production.
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PINK FADFLY [What's This?]
Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius hoping to buy either a coffee cup commemorating the first day of spring or a printer that works with your stockpile of ink cartridges. Be on the lookout for pencil sharpeners with an attitude. Your Complete Scope
This isn't me! What am I?
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The average bank teller loses about $250 every year.
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"An idea is never given to you without you being given the power to make it reality." -- Richard Bach, Author
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ANOVA Analysis of Variance
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