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AGGREGATE EXPENDITURE DETERMINANTS: An assortment of ceteris paribus factors that affect aggregate expenditures, but which are 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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TOTAL COST CURVE A curve that graphically represents the relation between the total cost incurred by a firm in the short-run production of a good or service and the quantity produced. The total cost curve is a cornerstone upon which the analysis of short-run production is built. It combines all opportunity cost of production into a single curve, which can then be used with the total revenue curve to determine profit. The marginal cost curve, THE focal point for the analysis of short-run production, is derived directly from the total cost curve. The shape of the curve reflects increasing marginal returns at small quantities of output and decreasing marginal returns at larger quantities.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time surfing the Internet looking to buy either a green and yellow striped sweater vest or a Boston Red Sox baseball cap. Be on the lookout for strangers with large satchels of used undergarments.
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Only 1% of the U.S. population paid income taxes when the income tax was established in 1914.
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"Act well at the moment, and you have performed a good action for all eternity." -- Johann Kaspar Lavater
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SELA
Latin American Economic System
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