Computing profit-maximizing quantity and price

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A monopolist has a constant marginal and aver­age cost of $10 and faces a demand curve of QD = 1000 - 10P. Marginal revenue is given by MR = 100 - 1/5Q.

a) Calculate the monopolist's profit-maximizing quantity, price, and profit.

b) Now suppose that the monopolist fears entry, but thinks that other firms could pro­duce the product at a cost of $15 per unit (constant marginal and average cost) and that many firms could potentially enter. How could the monopolist attempt to deter entry, and what would the monopolist's quantity and profit be now?

c) Should the monopolist try to deter entry by setting a limit price?

Reference no: EM1316345

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