Suppose a firm has a weekly cost function of C(Q) = 8Q + (Q2/100) and a marginal cost function of MC = 8 + (Q/50). What is the efficient scale of production, and what is the minimum average cost?

The airline dominating Charlotte, North Carolina, once contended that it could not overcharge for fear of potential competition, if not at Charlotte, then at Raleigh, a two-hour drive away. Do you find this argument compelling, given the theory of contestable markets?

Which of the following is not one of the causes of the unequal distribution of income in the United States?

A. Ability differences B. Education and training C. Job preferences and job risks D. Income taxes and transfers