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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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PRICE RATIONING The distribution or allocation of a limited commodity using markets and prices. Rationing is needed due to the scarcity problem. Because wants and needs are unlimited, but resources are limited, available commodities must be rationed out to competing uses. Markets ration commodities by limiting the purchase only to those buyers willing and able to pay the price.
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BLUE PLACIDOLA
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Today, you are likely to spend a great deal of time wandering around the shopping mall hoping to buy either a large stuffed brown and white teddy bear or a replacement washer for your kitchen faucet. Be on the lookout for jovial bank tellers.
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Paper money used by the Commonwealth of Massachusetts prior to the U.S. Revolutionary War, which was issued against the dictates of Britain, was designed by patriot and silversmith, Paul Revere.
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"Don't waste your effort on a thing that results in a petty triumph unless you are satisfied with a life of petty issues. " -- John D. Rockefeller, industrialist
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LRAS
Long Run Aggregate Supply
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