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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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AMERICAN ECONOMIC ASSOCIATION

A formal organization of professional economists that promotes economic research, organizes annual meetings and conferences, and maintains a list of publications in several economics subjects. The American Economic Association (AEA) was originally organized by a small group interested in economics at a meeting in 1888 in Saratoga, New York. However, as interest in the subject grew, it officially incorporated in 1923. Although the AEA contained only a small number of members in the beginning, today the membership is approximately 18,000. In addition, about 4,600 libraries, institutions, and firms subscribe to the quarterly publications of the AEA.

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ORANGE REBELOON
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Today, you are likely to spend a great deal of time browsing through a long list of dot com websites hoping to buy either a video camera with stop action features or one of those memory foam pillows. Be on the lookout for poorly written technical manuals.
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During the American Revolution, the price of corn rose 10,000 percent, the price of wheat 14,000 percent, the price of flour 15,000 percent, and the price of beef 33,000 percent.
"Democracy is based on the conviction that man has the moral and intellectual capacity . . . to govern himself with reason and justice. "

-- Harry Truman, 33rd U.S. president

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Taxable Income
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