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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 CURVE, PERFECT COMPETITION A curve that graphically represents the relation between the marginal revenue received by a perfectly competitive firm for selling its output and the quantity of output sold. Because a perfectly competitive firm is a price taker and faces a horizontal demand curve, its marginal revenue curve is also horizontal and coincides with its average revenue (and demand) curve. A perfectly competitive firm maximizes profit by producing the quantity of output found at the intersection of the marginal revenue curve and marginal cost curve.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time at a flea market trying to buy either arch supports for your shoes or an AC adapter that works with your MPG player. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
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"I can't change the direction of the wind, but I can adjust my sails to always reach my destination." -- Jimmy Dean
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NIPA
National Income and Product Accounts
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