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RESOURCE PRICE, AGGREGATE SUPPLY DETERMINANT: One of three categories of aggregate supply determinants assumed constant when the aggregate supply curve is constructed, and which shifts the aggregate supply curve when it changes. An increase in a resource price causes a decrease (leftward shift) of the short-run aggregate supply curve. A decrease in a resource price causes an increase (rightward shift) of the short-run aggregate supply curve. The other two categories of aggregate supply determinants are resource quantity and resource quality. Specific determinants falling into this general category include wages and energy prices. Anything affecting the prices paid for the use of labor, capital, land, and entrepreneurship is also included.
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MARGINAL COST The change in total cost (or total variable cost) resulting from a change in the quantity of output produced by a firm in the short run. Marginal cost (MC) indicates how much total cost changes for a given change in the quantity of output. Because changes in total cost are matched by changes in total variable cost in the short run (total fixed cost is fixed), marginal cost is the change in either total cost or total variable cost. It is found by dividing the change in total cost (or total variable cost) by the change in output. Marginal cost is one of four cost concepts used in short-run production analysis. The other three are average total cost, average fixed cost, and average variable cost.
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BLACK DISMALAPOD
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Today, you are likely to spend a great deal of time searching for rummage sales seeking to buy either a video camera with stop action features or one of those memory foam pillows. Be on the lookout for vindictive digital clocks with revenge on their minds.
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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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"Try not to become a man of success, but rather try to become a man of value. " -- Albert Einstein
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AEA
American Economic Association
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