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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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AGGREGATE DEMAND INCREASE, LONG-RUN AGGREGATE MARKET A shock to the long-run aggregate market caused by an increase in aggregate demand resulting in and illustrated by a rightward shift of the aggregate demand curve. An increase in aggregate demand in the long-run aggregate market results in an increase in the price level but no change in real production. The level of real production resulting from the aggregate demand shock is full-employment real production.
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BLUE PLACIDOLA
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Today, you are likely to spend a great deal of time wandering around the downtown area seeking to buy either a how-to book on surfing the Internet or a computer that can play music and burn CDs. Be on the lookout for telephone calls from former employers.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
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"There is at least one point in the history of any company when you have to change dramatically to rise to the next level of performance. Miss that moment, and you start to decline. " -- Andy Grove, Intel Corp. chairman
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PSID
Panel Study of Income Dynamics
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