During the Great Depression in the 1930s unemployment was so bad that nearly _____ of the labor force was unemployed.

At an output level of 100, a monopolist faces MC = 15 and MR = 17. At output level q = 101, the monopolist's MC = 16 and MR = 15. To maximize profits, the firm

A) should produce 100 units. B) should produce 101 units. C) cannot maximize profits. D) is not a monopoly.

The optimal level of pollution is

a. zero b. the level at which the marginal social cost of air quality equals the marginal social benefit c. the level at which the average social cost of air quality equals the average social benefit d. the level at which the total social cost of air quality equals the total social benefit e. the level at which the marginal social cost of air quality is minimized