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CHANGE IN AGGREGATE DEMAND: A shift of the aggregate demand curve caused by a change in one of the aggregate demand determinants. In essence, a change in aggregate demand is caused by any factor affecting aggregate demand EXCEPT the price level. This concept should be contrasted directly with a change in aggregate expenditures. You might also want to review the terms change in quantity demanded and change in demand, as well. The change in aggregate demand is comparable to the change in market demand. A change in aggregate demand is a change in ALL price level-aggregate expenditure combinations, meaning that each price level is matched up with a different aggregate expenditure (which is illustrated as a shift of the aggregate demand curve). This change in aggregate demand is caused by a change in any of the aggregate demand determinants. In contrast, a change in aggregate expenditures is a change from one price level-aggregate expenditure combination to the another (which is illustrated as a movement along a given aggregate demand curve).
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MACROECONOMIC THEORIES Scientific theories that seek to explain phenomena associated with the macroeconomy. The primary phenomena investigated are unemployment, inflation, and the level of aggregate production. Macroeconomic theories also inevitably provide policy recommendations intended to improve the performance of the economy and to correct macroeconomic problems. A few of the more noted macroeconomic theories are: Classical economics, Keynesian economics, aggregate market (AS-AD) analysis, IS-LM analysis, Monetarism, and New Classical economics.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time flipping through mail order catalogs hoping to buy either decorative garden figurines or a wall poster commemorating last Friday (you know why). Be on the lookout for the last item on a shelf.
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This isn't me! What am I?
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"It is not the brains that matter most, but that which guides them ‚ the character, the heart, the generous qualities, progressive ideas. " -- Fyodor Dostoyevsky - Writer
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AFEA
American Farm Economic Association
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