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HHI: The common abbreviation for the Herfindahl-Hirshman index (or the Herfindahl index), which is 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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RELATIVELY ELASTIC

An elasticity alternative in which relatively small changes in one variable (usually price) cause relatively large changes in another variable (usually quantity). In other words, quantity is very responsive to price. Quantity changes a lot in response to small changes in price. This characterization of elasticity is most important for the price elasticity of demand and the price elasticity of supply. Relatively elastic is one of five elasticity alternatives. The other four are perfectly elastic, perfectly inelastic, relatively inelastic, and unit elastic.

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Today, you are likely to spend a great deal of time browsing about a thrift store trying to buy either an electric coffee pot with automatic shutoff or a brown leather attache case. Be on the lookout for gnomes hiding in cypress trees.
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Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
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