Considering perfect competition, monopolistic competition, and monopoly, which of the market structures results in production of the welfare-maximizing level of output?

Suppose that a new advertising campaign extolling the virtues of apple juice is successful, and a major freeze destroys half of the country's apple cro

A) The equilibrium price of apple juice might rise or fall and the equilibrium quantity of apple juice falls. B) The equilibrium price of apple juice rises and the equilibrium quantity of apple juice might rise or fall. C) The equilibrium price of apple juice falls and the equilibrium quantity of apple juice might rise or fall. D) The equilibrium price of apple juice might rise or fall and the equilibrium quantity of apple juice rises.

During the Great Depression, the money supply fell 28%. During that same time, the monetary base ____ and the currency-to-deposit ratio and reserve-to-deposit ratios both _____

a. rose; fell b. rose; rose c. fell; rose d. fell; fell