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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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PRODUCT MARKETS Markets that exchange final goods and services, that is, the output that is combined into gross domestic product. The buyers of this production are the four macroeconomic sectors--household, business, government, and foreign. The seller of this production is primarily the business sector. A substantial part of macroeconomics is devoted to explaining how and why gross domestic product exchanged through product markets rises or falls. Product markets, also termed output or goods markets, are one of three primary sets of macroeconomic markets. The other two are resource markets and financial markets.
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BLUE PLACIDOLA [What's This?]
Today, you are likely to spend a great deal of time searching for a specialty store hoping to buy either an AC adapter for your CD player or storage boxes for your family photos. Be on the lookout for letters from the Internal Revenue Service. Your Complete Scope
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Much of the $15 million used by the United States to finance the Louisiana Purchase from France was borrowed from European banks.
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"To sit back and let fate play its hand out, and never influence it, is not the way man was meant to operate." -- John Glenn, astronaut, U.S. senator
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AIC Akaike's Information Criterion
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