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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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RECOGNITION LAG The time lag that it takes to identify and document the existence of an economic problem that might require government action. The recognition lag arises because it takes time to collect and analyze economic data; to verify that an actual problem exists. This "inside lag" is one of four policy lags associated with monetary and fiscal policy. The other two "inside lags" are decision lag and implementation lag, and one "outside lag" is implementation lag. All four policy lags can reduce the effectiveness of business-cycle stabilization policies and can even destabilize the economy.
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GRAY SKITTERY
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Today, you are likely to spend a great deal of time strolling through a department store seeking to buy either a rechargeable battery for your camera or a coffee cup commemorating the first day of spring. Be on the lookout for gnomes hiding in cypress trees.
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Before 1933, the U.S. dime was legal as payment only in transactions of $10 or less.
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"He who truly knows has no occasion to shout. " -- Leonardo da Vinci, painter, sculptor, architect, engineer
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BAE
Bureau of Agricultural Economics
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