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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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PEAK

The transition of a business-cycle expansion to a business-cycle contraction. The end of an expansion carries this descriptive term of peak, or the highest level of economic reached in recent times. A peak is one of two turning points. The other, the transition from contraction to expansion, is a trough. Turning points are important because they represent the transition from bad to good or good to bad.

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APLS

PURPLE SMARPHIN
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Today, you are likely to spend a great deal of time at an auction trying to buy either a small palm tree that will fit on your coffee table or several magazines on fashion design. Be on the lookout for the last item on a shelf.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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IBRD
International Bank for Reconstruction and Development
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