For a perfectly competitive firm, the short-run supply curve is a. the rising section of the marginal cost curve b. The firm is producing the profit-maximizing output b. The firm could increase its profit by increasing its output d. The firm could increase its profit by decreasing its output 29. A monopolistically competitive firm's demand curve is downward sloping because a. other firms are free to enter the market b.
Imperfect competition implies that in the long run a.