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HERFINDAHL-HIRSHMAN INDEX: A measure of concentration of the production in an industry that's calculated as the sum of the squares of market shares for each firm. This is an alternative method of summarizing the degree to which an industry is oligopolistic and the relative concentration of market power held by the largest firms in the industry. The Herfindahl index gives a better indication of the relative market control of the largest firms than can be found with the four-firm and eight-firm concentration ratios.

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MARGINAL FACTOR COST CURVE, MONOPSONY

A curve that graphically represents the relation between marginal factor cost incurred by a monopsony for hiring an input and the quantity of input employed. A profit-maximizing monopsony hires the quantity of input found at the intersection of the marginal factor cost curve and marginal revenue product curve. The marginal factor cost curve for a monopsony with market control is positively sloped and lies above the average factor cost curve.

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Today, you are likely to spend a great deal of time flipping through the yellow pages wanting to buy either a New York Yankees baseball cap or several magazines on home repairs. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
"A people that values its privileges above its principles soon loses both. "

-- Dwight Eisenhower, 34th US president

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