ECON101 Chapter Notes - Chapter 13: Marginal Revenue, Average Cost, Legal Monopoly
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ECON101 Full Course Notes
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Monopoly a market with a single firm that produces a good or service with no substitutes o. Protected by a barrier that prevents other firms from entering that market. If a good is produced by only one firm and has a close substitute, the firm faces competition from firms that produce the substitute o. A monopoly sells a good or serve that has no close substitutes. Barriers to entry a constraint that protects a firm from potential competitors o. Natural monopoly a market in which economies of scale enable one firm to supply the entire market at the lowest possible cost o o e. g. gas, water and electricity. Economies of scale exist over the entire lrac curve. One firm can meet the market demand at a lower cost than two or more firms can. Occurs if one firm owns a significant portion of a key resource.