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EIGHT-FIRM CONCENTRATION RATIO: The proportion of total output in an industry that's produced by the eight largest firms in the industry. This is one of two common concentration ratios. The other is the four-firm concentration ratio. The eight-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and how market control is held by the eight largest firms in the industry.

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AVERAGE REVENUE CURVE, MONOPOLISTIC COMPETITION

A curve that graphically represents the relation between average revenue received by a monopolistically competitive firm for selling its output and the quantity of output sold. Because average revenue is essentially the price of a good, the average revenue curve is also the demand curve for a monopolistically competitive firm's output.

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YELLOW CHIPPEROON
[What's This?]

Today, you are likely to spend a great deal of time flipping through mail order catalogs trying to buy either a country wreathe or galvanized steel storage shelves. Be on the lookout for cardboard boxes.
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Parker Brothers, the folks who produce the Monopoly board game, prints more Monopoly money each year than real currency printed by the U.S. government.
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