Which of the following macroeconomic variables is most dependent on whether the government pursues an active approach to policy or a passive approach to policy?

Which of the following are legal tender?

a. A check b. A Federal Reserve note c. A bank note issued by a private bank d. A credit card e. A traveler's check

Which of the following provides the strongest evidence that the corporate form of business structure is relatively efficient, particularly when business firms are large?

a. the fact that almost 90 percent of business revenues are generated by corporations b. the fact that individual proprietorships are more numerous than corporations c. the fact that economic theory indicates corporate managers have some leeway to pursue their own interests at the expense of the owners of the firm d. the high salaries of many corporate executives, including some managing firms that are making economic losses