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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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RELATIVELY ELASTIC

An elasticity alternative in which relatively small changes in one variable (usually price) cause relatively large changes in another variable (usually quantity). In other words, quantity is very responsive to price. Quantity changes a lot in response to small changes in price. This characterization of elasticity is most important for the price elasticity of demand and the price elasticity of supply. Relatively elastic is one of five elasticity alternatives. The other four are perfectly elastic, perfectly inelastic, relatively inelastic, and unit elastic.

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North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
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A nth-order Autoregressive Process
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