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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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MARGINAL REVENUE, PERFECT COMPETITION The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a perfectly competitive firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a perfectly competitive firm equates marginal revenue and marginal cost.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time browsing about a thrift store looking to buy either a wall poster commemorating the first day of winter or blue cotton balls. Be on the lookout for deranged pelicans.
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This isn't me! What am I?
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A U.S. dime has 118 groves around its edge, one fewer than a U.S. quarter.
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"Doing the best at this moment puts you in the best place for the next moment. " -- Oprah Winfrey, entrepreneur
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AACCLA
Association of American Chambers of Commerce in Latin America
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