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MARGINAL COST CURVE: A curve that graphically represents the relation between marginal cost incurred by a firm in the short-run product of a good or service and the quantity of output produced. This curve is constructed to capture the relation between marginal cost and the level of output, holding other variables, like technology and resource prices, constant. The marginal cost curve is U-shaped. Marginal cost is relatively high at small quantities of output, then as production increases, declines, reaches a minimum value, then rises. This shape of the marginal cost curve is directly attributable to increasing, then decreasing marginal returns (and the law of diminishing marginal returns).

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GOLD CERTIFICATES

Paper currency issued and authorized by the U.S. Department of the Treasury that is, in principle, backed up by, and exchangeable for, an equivalent value of gold. Gold certificates were in circulation as a medium of exchange for the U.S. economy during two periods, 1865 to 1922 and 1928 to 1934. A similar form of paper currency is silver certificates.

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Today, you are likely to spend a great deal of time at a going out of business sale hoping to buy either a handcrafted bird feeder or a New York Yankees baseball cap. Be on the lookout for the happiest person in the room.
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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.
"Lord, where we are wrong, make us willing to change; where we are right, make us easy to live with. "

-- Peter Marshall, US Senate chaplain

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