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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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OLIGOPOLY AND MONOPOLISTIC COMPETITION Oligopoly and monopolistic competition have some similarities, but also have a few important differences. Both are examples of imperfect competition on the market structure continuum between ideals of perfect competition and monopoly. However, oligopoly contains a small number of large firms and monopolistic competition contains a large number of small firms. The dividing line between oligopoly and monopolistic competition can be blurred due to the number of firms in the industry.
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GREEN LOGIGUIN [What's This?]
Today, you are likely to spend a great deal of time flipping through mail order catalogs seeking to buy either a wall poster commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki or decorative garden figurines. Be on the lookout for cardboard boxes. Your Complete Scope
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One of the largest markets for gold in the United States is the manufacturing of class rings.
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"The roots of education are bitter, but the fruit is sweet." -- Aristotle, philosopher
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SPE Subgame Perfect Equilibrium
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