经济学原理对应练习 28.doc

Chapter 28 Unemployment Multiple Choice 1. The natural rate of unemployment is the a. unemployment rate that would prevail with zero inflation. b. rate associated with the highest possible level of GDP. c. difference between the long-run and short-run unemployment rates. d. amount of unemployment that the economy normally experiences. ANS: D PTS: 1 DIF: 1 REF: 28-1 TOP: Natural rate of unemployment MSC: Definitional 2. Cyclical unemployment refers to a. the relation between the probability of unemployment and a workers changing level of experience. b. how often a worker is likely to be employed during her lifetime. c. year-to-year fluctuations of unemployment around its natural rate. d. long-term trends in unemployment. ANS: C PTS: 1 DIF: 1 REF: 28-1 TOP: Cyclical unemployment MSC: Definitional 3. Cyclical unemployment is closely associated with a. long-term economic growth. b. short-run ups and downs of the economy. c. fluctuations in the natural rate of unemployment. d. changes in the minimum wage. ANS: B PTS: 1 DIF: 1 REF: 28-1 TOP: Cyclical unemployment MSC: Interpretive 4. The natural rate of unemployment is the economists notion of a. full employment. b. cyclical employment. c. structural unemployment. d. frictional unemployment. ANS: A PTS: 1 DIF: 1 REF: 28-1 TOP: Natural rate of unemployment MSC: Definitional 5. The natural rate of unemployment a. is a constant. b. is the desirable rate of unemployment. c. cannot be altered by economic policy. d. None of the above is correct. ANS: D PTS: 1 DIF: 1 REF: 28-1 TOP: Natural rate of unemployment MSC: Interpretive 6. The natural rate of unemployment a. refers mostly to unemployment created by the cyclical fluctuations in real GDP. b. cannot be changed by government policy. c. varies over time. d. is the optimal rate of unemployment in an economy. ANS: C PTS: 1 DIF: 1 REF: 28-1 TOP: Natural rate of unemployment MSC: Definitional 7. Which of the following is correct? a. Some degree of unemployment is inevitabl