Monopolistically competitive firms prevent the efficient use of resources because in long-run equilibrium

Question

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In long-run equilibrium, monopolistically competitive firms charge a price greater than marginal cost. This is because they have some degree of market power and their products are differentiated, so they have some ability to set their own prices. This results in a higher price and lower quantity produced compared to perfect competition, which leads to an inefficient use of resources.

Monopolistically Competitive Firms Prevent the Efficient Use of Resources Because