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9. Based on the information given, indicate whether the following industry is best characterized by the model of perfect competition, monopoly, monopolistic competition, or oligopoly.
9. Based on the information given, indicate whether the following industry is best characterized by the model of perfect competition, monopoly, monopolistic competition, or oligopoly. (LO5) a. Industry A has Hirschman index Rothschild index b. Industry B has Hirschman index Rothschild index c. Industry C has Hirschman index Rothschild index d. Industry D has Hirschman index and Rothschild index of 0.76. a four-firm concentration ratio of 0.005 percent and a Herfindahl- of 75. A representative firm has a Lerner index of 0.45 and a of 0.34. a four-firm concentration ratio of 0.0001 percent and Herfindahl- of 55. A representative firm has a Lerner index of 0.0034 and of 0.00023. a four-firm concentration ratio of 100 percent and Herfindahl- of 10,000. A representative firm has a Lerner index of 0.4 and of 1.0. a four-firm concentration ratio of 100 percent and Herfindahl- of 5,573. A representative firm has a Lerner index equal to 0.43
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