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. Market Structures. . Recall that there is an entire spectrum of market structures. Perfect CompetitionMany firms, each with zero market shareP = MCProfits = 0 (Firm's earn a reasonable rate of return on invested capital)NO STRATEGIC INTERACTION!. MonopolyOne firm, with 100% market shareP > MCProfits > 0 (Firm's earn excessive rates of return on invested capital)NO STRATEGIC INTERACTION!.
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1. Strategic Interaction Finance 30210: Managerial Economics