1. Assume the market demand function is D(P)=100 – P and the
firm cost function is C(q)= 20q. The industry is populated by many
small firms that offer identical products. In the absence of
regulation, a competitive equilibrium would be achieved. However,
regulation is in place and requires that a firm’s price be at least
as great as 30. Derive the effect of regulation on quantity, firm
profits, and social welfare.
2. Now think that the industry is deregulated. What...