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HERFINDAHL 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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SCARCE

A condition in which a given good or resource is limited relative to its desired uses. This is a special condition of the general condition of scarcity. A scarce good or resource is typically exchanged through markets and carries a positive price.

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Today, you are likely to spend a great deal of time wandering around the shopping mall wanting to buy either a rotisserie oven that can also toast bread or a flower arrangement in a coffee cup for your father. Be on the lookout for malfunctioning pocket calculators.
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The average length of a "business lunch" is about 36 minutes.
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