When firms have had to defend themselves against the charge that they have adopted unjustifiably low prices either to drive a competitor out of business or to prevent the entry of a rival, they have been accused of

A competitive price-taker firm would be willing to remain in the industry in the long run at zero economic profit because

a. it would find it too difficult to exit from the industry in the long run. b. accounting profit would be negative. c. it is covering all costs, including the opportunity cost of capital and labor. d. its sunk costs would prevent it from leaving the industry.

When the British import more American goods, this event:

A. Increases the supply of American dollars B. Increases the demand for British pounds C. Decreases the supply of American dollars D. Increases the supply of British pounds