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AGGREGATE MARKET ANALYSIS: An investigation of macroeconomic phenomena, including unemployment, inflation, business cycles, and stabilization policies, using the aggregate market interaction between aggregate demand, short-run aggregate supply, and long-run aggregate supply. Aggregate market analysis, also termed AS-AD analysis, has been the primary method of investigating macroeconomic activity since the 1980s, replacing Keynesian economic analysis that was predominant for several decades. Like most economic analysis, aggregate market analysis employs comparative statics, the technique of comparing the equilibrium after a shock with the equilibrium before a shock. While the aggregate market model is usually presented as a simply graph at the introductory level, more sophisticated and more advanced analyses often involve a system of equations.
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AGGREGATE DEMAND The total real expenditures on final goods and services produced in the domestic economy that buyers are willing and able to undertake at different price levels, during a given time period (usually a year). Aggregate demand, usually abbreviated AD, is an inverse relation between price level and aggregate expenditures. This is one half of the AS-AD (aggregate market) analysis. The other half is aggregate supply. Aggregate demand consists of four aggregate expenditures--consumption expenditures, investment expenditures, government purchases, and net exports--made by the four macroeconomic sectors--household, business, government, and foreign.
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BLACK DISMALAPOD
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Today, you are likely to spend a great deal of time at a crowded estate auction trying to buy either semi-gloss photo paper that works with your neighbor's printer or a birthday gift for your father that doesn't look like every other birthday gift for your father. Be on the lookout for neighborhood pets, especially belligerent parrots.
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Rosemary, long associated with remembrance, was worn as wreaths by students in ancient Greece during exams.
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"Anyone who has never made a mistake has never tried anything new. " -- Albert Einstein, physicist
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NSF
National Science Foundation
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