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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 indicates how much total cost changes for a give change in the quantity of output. Because changes in total cost are matched by changes in total variable cost in the short run (remember total fixed cost is fixed), marginal cost is the change in either total cost or total variable cost. Marginal cost, usually abbreviated MC, is found by dividing the change in total cost (or total variable cost) by the change in output.

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ENERGY PRICES, AGGREGATE SUPPLY DETERMINANT

One of several specific aggregate supply determinants assumed constant when the aggregate supply curve is constructed, and that shifts the aggregate supply curve when it changes. An increase in the energy prices causes a decrease (leftward shift) of the aggregate supply curve. A decrease in the energy prices causes an increase (rightward shift) of the aggregate supply curve. Other notable aggregate supply determinants include technology, wages, and the capital stock. Energy prices fall under the resource price aggregate supply determinant.

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Today, you are likely to spend a great deal of time browsing through a long list of dot com websites trying to buy either a T-shirt commemorating next Thursday or a birthday gift for your uncle. Be on the lookout for a thesaurus filled with typos.
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
"The art of leadership is saying no, not yes. It is very easy to say yes. "

-- Tony Blair, British prime minister

TVC
Total Variable Cost
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