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SHORT-RUN SUPPLY CURVE: For a perfectly competitive firm, the marginal cost curve that lies above the average variable cost curve. This segment of the marginal cost guides a perfectly competitive firm's profit maximizing production as it equates price to marginal cost. Because the marginal cost curve is positively sloped (due to the law of diminishing marginal returns), each firm's supply curve and the market supply curve are also positively sloped. The law of diminishing marginal returns thus provides an explanation for the law of supply. However, this only works for firms with NO market control. Monopoly, monopolistic competition, and oligopoly, with market control, do not achieve the same result.
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LAW OF DIMINISHING MARGINAL RETURNS A principle of short-run production stating that as a firm combines more of a variable input with a fixed input, the marginal product of the variable input eventually declines. This is THE economic principle underlying the analysis of short-run production for a firm. It offers an explanation for the law of supply and the positive slope of the market supply curve.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time at a crowded estate auction wanting to buy either a T-shirt commemorating the 2000 Presidential election or a really, really exciting, action-filled video game. Be on the lookout for door-to-door salesmen.
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This isn't me! What am I?
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The first paper currency used in North America was pasteboard playing cards "temporarily" authorized as money by the colonial governor of French Canada, awaiting "real money" from France.
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"Nothing ever built arose to touch the skies unless some man dreamed that it should, some man believed that it could, and some man willed that it must. " -- Charles Kettering, inventor
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CME
Chicago Mercantile Exchange
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