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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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EIGHT-FIRM CONCENTRATION RATIO The proportion of total output in an industry produced by the eight largest firms in an industry. This is one of two common concentration ratios. The other is the eight-firm concentration ratio. Another related measure is the Herfindahl index. The eight-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control held by the eight largest firms in the industry.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time flipping through the yellow pages hoping to buy either a flower arrangement for that special day for your mother or a New York Yankees baseball cap. Be on the lookout for pencil sharpeners with an attitude.
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
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"Experience keeps a dear school, but fools will learn in no other. " -- Benjamin Franklin
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FDI
Foreign Direct Investment
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