If the value of a dollar rises in terms of yen, the dollar has ________ and the yen has ________

A tit-for-tat strategy is one in which oligopolies

A) cooperate as long as other members cooperate, but if anyone cheats, they cut the price until the cheater reverts to cooperation. B) cooperate almost all of the time, but occasionally do not cooperate in order to fool the antitrust authorities. C) keep cutting prices to punish rivals until the competitive price is reached. D) try to avoid the problems of the prisoners' dilemma, but actually make themselves worse off.

The total costs of federal regulation

A. encompasses only opportunity costs of satisfying regulatory demands. B. encompasses both explicit and opportunity costs of satisfying regulatory demands.. C. also includes the explicit costs associated with regulations issued by 50 different state governments. D. encompasses only explicit costs of satisfying regulatory demands.