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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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DISEQUILIBRIUM, SHORT-RUN AGGREGATE MARKET The state of the short-run aggregate market in which aggregate expenditures are NOT equal to real production, which result in imbalances that induce changes in the price level, aggregate expenditures, and real production. In other words, the opposing forces of aggregate demand (the buyers) and short-run aggregate supply (the sellers) are out of balance. At the existing price level, either the four macroeconomic sectors (household, business, government, and foreign) are unable to purchase all of the real production that they seek or producers are unable to sell all of the real production that they have.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time searching for rummage sales wanting to buy either a birthday gift for your uncle or a pair of red and purple designer socks. Be on the lookout for rusty deck screws.
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Lombard Street is London's equivalent of New York's Wall Street.
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"Be a yardstick of quality. Some people aren't used to an environment where excellence is expected. " -- Steve Jobs, Apple Computer co-founder
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NFA
National Futures Association
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