When the court requires evidence that a monopoly actually used its size to violate antitrust laws, this criterion is called

The main goal of antitrust policy is to

A) encourage firms to produce at the MR = demand level. B) regulate natural monopolies. C) prevent the monopolization of industries. D) prevent the nationalization of industries.

As coffee becomes more expensive, Joe starts drinking tea instead of coffee. This is called:

A. a decrease in reservation price. B. the substitution effect of a price change. C. the income effect of a price change. D. a decrease in demand.