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ADJUSTMENT, LONG-RUN AGGREGATE MARKET: Disequilibrium in the long-run aggregate market induces changes in the price level that restore equilibrium. If the price level is above the long-run equilibrium price level, economy-wide product market surpluses cause the price level to fall. If the price level is below the long-run equilibrium price level, economy-wide product market shortages cause the price level to rise. In both cases long-run equilibrium is restored. Price level changes induce changes in aggregate expenditures but NOT changes in real production. The reason is that long-run aggregate supply is full-employment real production, which is unaffected by the price level.
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SCREENING When confronted by asymmetric information, the use of small bits of information, or indicators, that suggest more comprehensive information. Screening occurs when those with limited information try to identify indicators suggesting more complete information. It is used in markets with adverse selection and moral hazard, especially in labor markets and in the provision of insurance. Common methods of screening include aptitude tests, affiliations, past behavior, and personal characteristics. A related method is signalling.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time at a dollar discount store hoping to buy either a how-to book on home repairs or a large, stuffed kitty cat. Be on the lookout for attractive cable television service repair people.
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This isn't me! What am I?
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More money is spent on gardening than on any other hobby.
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"There are no shortcuts to any place worth going. " -- Beverly Sills, Opera singer
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JET
Journal of Economic Theory
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