Suppose a nation has a total population of 100,000,000. Out of that, 70% are in the labor force and 65% of the population is employed. What is the nation's unemployment rate?

Under monopolistic competition ________

A) many goods and services are not standardized B) prices adjust slowly to equilibrium C) even if there is substantial competition in the market, some firms can set prices D) all of the above E) none of the above

Under rate-of-return regulation, the price is set so that

A. the firm earns a normal rate of return on investment. B. price equals the marginal cost of production. C. the firm earns a monopoly profit. D. the firm earns a positive economic profit.