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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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GOVERNMENT FAILURES

Inefficiencies in the allocation of resources attributable to imperfections in the operation of governments. Government failures are based on the utility-maximizing behavior of politicians, voters, nonvoters, special interest groups, and government employees. The identification and analysis of government failures is central to the study of public choice and offers something of a counterbalance to government actions designed to address the inefficiencies of market failures.

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Today, you are likely to spend a great deal of time searching for rummage sales looking to buy either income tax software or a how-to book on the art of negotiation. Be on the lookout for strangers with large satchels of used undergarments.
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
"Good judgment comes from experience, and often experience comes from bad judgment."

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