The natural rate of unemployment is the rate that exists when the economy is producing at potential GDP

When comparing perfect competition and monopoly, a major assumption made is that

A) the monopolist faces a downward sloping demand curve. B) consumers only care about the price of the good and not whether the seller is a monopoly or not. C) the costs of production are the same under monopoly as under perfect competition. D) the monopolist can make an above normal rate of return.

For which of the following products would price discrimination be most difficult?

a. photograph developing b. tooth extractions c. airline tickets d. beer e. college education