In the intermediate range the aggregate supply curve is

Compared to 1960-79, U.S. net national saving form 1980-92 as a proportion of national income

A) rose tremendously. B) rose slightly. C) fell slightly. D) fell precipitously.

Which of the following is not a criticism sometimes leveled at monopolies? a. A monopoly promotes inefficiency

b. A monopoly creates a welfare loss. c. A monopoly retards innovation. d. A monopoly leads to improved economies of scale in production.