经济学原理对应练习 23.doc

Chapter 23 Measuring a Nations Income Multiple Choice 1. Macroeconomists study a. decisions of households and firms. b. the interaction of households and firms. c. economy-wide phenomena. d. regulations on firms and unions. ANS: C PTS: 1 DIF: 1 REF: 23-0 TOP: Economists MSC: Definitional 2. Which of the following newspaper headlines would be more closely related to what microeconomists study than to what macroeconomists study? a. Unemployment rate rises from 5 percent to 5.5 percent. b. Real GDP grows by 3.1 percent in the third quarter. c. Retail sales at stores show large gains. d. The price of oranges rises after an early frost. ANS: D PTS: 1 DIF: 1 REF: 23-0 TOP: Economists MSC: Interpretive 3. Statistics that are of particular interest to macroeconomists a. are widely reported by the media. b. are largely ignored by the media. c. include the equilibrium prices of individual goods and services. d. do not include statistics for countries outside of North America. ANS: A PTS: 1 DIF: 1 REF: 23-0 TOP: Economists MSC: Definitional 4. Which of the following questions is more likely to be studied by a microeconomist than a macroeconomist? a. Why do prices in general rise by more in some countries than in others? b. Why do wages differ across industries? c. Why do production and income increase in some periods and not in others? d. How rapidly is GDP currently increasing? ANS: B PTS: 1 DIF: 1 REF: 23-0 TOP: Economists MSC: Interpretive 5. Which of the following topics are more likely to be studied by a macroeconomist than by a microeconomist? a. the effect of taxes on the prices of airline tickets, the profitability of automobile-manufacturing firms, and employment trends in the food-service industry b. the price of beef, wage differences between genders, and antitrust laws c. how consumers maximize utility, and how prices are established in markets for agricultural products d. the percentage of the labor force that is out of work, and differences in average in