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A firm that is the only seller of a good or service that does not have a close substitute.
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A government-granted exclusive right to produce and sell a creation.
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A designation by the government that a firm is the only legal provider of a good or service.
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The situation where the usefulness of a product increases with the number of consumers who use it.
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A situation in which economies of scale are so large that one firm can supply the entire market at a lower average total cost than two or more firms.
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The ability of a firm to charge a price greater than marginal cost.
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Laws aimed at eliminating collusion and promoting competition among firms.
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Prohibited price fixing and collusion.
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Prohibited firms from buying stock in competitors and from having directors serve on the boards of competing firms.
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| Federal Trade Commission Act (1914) |
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Established the FTC to enforce antitrust laws.
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| Robinson-Patman Act (1936) |
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Prohibits charging buyers different prices if the result would reduce competition.
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| Cellar-Kefauver Act (1950) |
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Toughened regulations on mergers by prohibiting any that would reduce competition.
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A merger between firms in the same industry.
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A merger between firms at different stages of production of a good.
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