Which does NOT cause an industry that might otherwise be competitive to tend toward oligopoly?

Middlemen have a comparative advantage in

A) lowering transaction costs. B) raising transaction costs. C) robbery and theft. D) tax evasion. E) buying products at a high price and selling them at a lower price.

If a manufacturer sells goods abroad for less than they sell for at home, which of the following is true?

a. An embargo has been established. b. A quota has been established. c. The manufacturer is engaged in dumping. d. There has been an improvement in the terms of trade. e. Tariffs have been reduced.