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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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ECONOMICS OF UNCERTAINTY

The study of the role that uncertainty plays in the economy and in the allocation of resources, with special attention paid to the analysis of risk. Key topics in this area of study and analysis are risk preferences (aversion, neutrality, and loving) and the provision of insurance. This study of the economics of uncertainty is part of the broader study of the economics of information.

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Today, you are likely to spend a great deal of time flipping through the yellow pages looking to buy either a rechargeable battery for your camera or a coffee cup commemorating the first day of spring. Be on the lookout for the last item on a shelf.
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The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
"One worthwhile task carried to a successful conclusion is worth half-a-hundred half-finished tasks. "

-- Malcolm S. Forbes, publisher

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