America's antitrust laws are used to protect competition against possible encroachment by monopoly. This is an example of government as

A firm's explicit costs are

a. the opportunity costs of the owners b. its depreciation costs c. the money paid for use of inputs d. the foregone rents on owner occupied office space e. irrelevant to the determination of economic profit

The source of all four classic hyperinflations was high rates of money growth

a. True b. False Indicate whether the statement is true or false