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AGGREGATE EXPENDITURE DETERMINANT: A ceteris paribus factor that affects aggregate expenditures, but which is assumed constant when the aggregate expenditure line is constructed. Changes in any of the aggregate expenditures determinants cause the aggregate expenditure line to shift. While a wide variety of specific ceteris paribus factors can cause the aggregate expenditure line to shift, it's usually most convenient to group them into the four, broad expenditure categories -- consumption, investment, government purchases, and net exports. The reason is that changes in these expenditures are the direct cause of shifts in the aggregate expenditure line. If any determinant affects aggregate expenditures it MUST affect one of these four expenditures.
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LAW OF DIMINISHING MARGINAL RETURNS A principle of short-run production stating that as a firm combines more of a variable input with a fixed input, the marginal product of the variable input eventually declines. This is THE economic principle underlying the analysis of short-run production for a firm. It offers an explanation for the law of supply and the positive slope of the market supply curve.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time searching the newspaper want ads seeking to buy either a pair of leather sandals that won't cause blisters or clothing for your kitty cats. Be on the lookout for letters from the Internal Revenue Service.
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The average length of a "business lunch" is about 36 minutes.
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"The will to win is important, but the will to prepare is vital. " -- Joe Paterno, football coach
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APEC
Asia-Pacific Economic Co-operation
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