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HERFINDAHL-HIRSHMAN INDEX: A measure of concentration of the production in an industry that's calculated as the sum of the squares of market shares for each firm. This is an alternative method of summarizing the degree to which an industry is oligopolistic and the relative concentration of market power held by the largest firms in the industry. The Herfindahl index gives a better indication of the relative market control of the largest firms than can be found with the four-firm and eight-firm concentration ratios.
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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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WHITE GULLIBON
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Today, you are likely to spend a great deal of time looking for a downtown retail store hoping to buy either a birthday gift for your uncle or a pair of red and purple designer socks. Be on the lookout for telephone calls from former employers.
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Parker Brothers, the folks who produce the Monopoly board game, prints more Monopoly money each year than real currency printed by the U.S. government.
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"For a writer, published works are like fallen flowers, but the expected new work is like a calyx waiting to blossom." -- Cao Yu, Playwright
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RTA
Reciprocal Trade Agreement
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