A perfectly competitive industry is composed of 60 firms. The industry demand curve is Q = 1100 - 40P , where P is price and Q is the total market demand. Firms have identical costs: C = 50 + 5q + 1/2q^2, where q is the firm's output. 2
(a) What is the market price and level of each firm's output in the short run?
(b) How much profit does each firm make? Comment.
(c) How many firms operate in the long run? How much profit do they make?