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CHANGE IN AGGREGATE EXPENDITURES: The movement along an aggregate demand curve caused by a change in the price level. This should be contrasted directly with a change in aggregate demand. You might also want to review the terms change in quantity demanded and change in demand, as well. A change in aggregate expenditures means that we have identified a NEW level of expenditures on the existing aggregate demand curve. In contrast, a change in aggregate demand means that we have changed, moved, or shifted, the entire aggregate demand curve, the whole range of price levels and aggregate expenditures has changed.
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VARIABLES Quantities, usually represented as symbols, that can take on one of a set of values. A variable is "variable" because its value can "vary." A primary goal of economic analysis is to determine the specific value that a variable takes on under specific circumstances.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time browsing through a long list of dot com websites looking to buy either a 200-foot blue garden hose or a video camera with stop action features. Be on the lookout for mail order catalogs with hidden messages.
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Two and a half gallons of oil are needed to produce one automobile tire.
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"You don't have to be a fantastic hero to do certain things - to compete. You can be just an ordinary chap, sufficiently motivated to reach challenging goals." -- Sir Edmund Hillary, Explorer
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BJE
Bell Journal of Economics
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