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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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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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BLACK DISMALAPOD
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Today, you are likely to spend a great deal of time watching infomercials wanting to buy either decorative garden figurines or a wall poster commemorating last Friday (you know why). Be on the lookout for telephone calls from long-lost relatives.
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Post WWI induced hyperinflation in German in the early 1900s raised prices by 726 million times from 1918 to 1923.
"There is no twilight zone of honesty in business. A thing is right or it's wrong. It's black or it's white. "

-- John F. Dodge, automaker

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Institute for Research on Public Policy
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