A monopolistic competitor has fixed costs of $100 and marginal costs of $10 per unit. What is its marginal revenue at its equilibrium price and quantity?

Movements away from equilibrium in the Solow model:

A) persist and cannot be corrected. B) are corrected only through government intervention. C) are automatically corrected. D) are corrected only when the country opens up to international trade.

According to the quantity theory of money, nominal GDP will double if the money supply is

A. reduced threefold. B. reduced by one-half. C. tripled. D. doubled.