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TOTAL REVENUE CURVE, MONOPOLISTIC COMPETITION: A curve that graphically represents the relation between total revenue received by a monopolistically competitive firm for selling its output and the quantity of output sold. It is used with the firm's total cost curve to determine economic profit. The marginal revenue curve, a key factor for determining the profit-maximizing level of a firm's output, is derived directly from the total revenue curve. The slope of this total revenue curve is marginal revenue. This curve is constructed to capture the relation between total revenue and the level of output, holding other variables constant.

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EIGHT-FIRM CONCENTRATION RATIO

The proportion of total output in an industry produced by the eight largest firms in an industry. This is one of two common concentration ratios. The other is the eight-firm concentration ratio. Another related measure is the Herfindahl index. The eight-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control held by the eight largest firms in the industry.

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APLS

BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time browsing about a thrift store seeking to buy either a birthday greeting card for your father or a T-shirt commemorating the first day of spring. Be on the lookout for high interest rates.
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A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
"Education is the ability to listen to almost anything without losing your temper or your self-confidence. "

-- Robert Frost

JPE
Journal of Political Economy
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