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COMMODITY EXCHANGE: A financial market that trades the ownership of various commodities, such as wheat, corn, cotton, sugar, crude oil, natural gas, gold, silver, and aluminum. The two biggest commodity exchanges in good old U. S. of A. are the Chicago Board of Trade and the Chicago Mercantile Exchange. Unlike, let's say a grocery store where commodities physically trade hands, commodity exchanges trade only legal ownership. This is much like a stock market, which trades the ownership of a corporation, but leaves the factory at home. Commodity markets offer two basic sorts of trading -- spot (immediate delivery of a commodity) and futures (delivery of a commodity at a future date).
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MARGINAL REVENUE, PERFECT COMPETITION The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a perfectly competitive firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a perfectly competitive firm equates marginal revenue and marginal cost.
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BLUE PLACIDOLA [What's This?]
Today, you are likely to spend a great deal of time touring the new suburban shopping complex seeking to buy either a birthday greeting card for your grandfather or a weathervane with a cow on top. Be on the lookout for telephone calls from former employers. Your Complete Scope
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
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"Success is going from failure to failure without a loss of enthusiasm. " -- Winston Churchill, British statesman
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LCH Life Cycle Hypothesis
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