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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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AVERAGE REVENUE, MONOPOLY

The revenue received for selling a good per unit of output sold, found by dividing total revenue by the quantity of output. Average revenue often goes by a simpler and more widely used term... price. For a monopoly average revenue is greater than marginal revenue. Average revenue for a monopoly is often depicted by a negatively-sloped average revenue curve.

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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time watching infomercials seeking to buy either looseleaf notebook paper or a three-hole paper punch. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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Paper money used by the Commonwealth of Massachusetts prior to the U.S. Revolutionary War, which was issued against the dictates of Britain, was designed by patriot and silversmith, Paul Revere.
"The purpose of learning is growth, and our minds, unlike our bodies, can continue growing as long as we live."

-- Mortimer Adler

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