Which factors account for most of the growth in the HPAEs?

When revenues exceed expenditures

a. there is a budget surplus b. there is a budget deficit c. the government must create more money d. the government is forced to issue more bonds to raise money

If a monopolistically competitive firm is making positive economic profits, we would expect

A. entry of other firms. B. the firm to continue making the positive economic profits. C. the firm to hire more labor. D. the firm to expand market share and the industry to move toward an oligopoly structure.