[开课学院]: 商学院 [开课系所]: 经济系 [课程名称]: 总体经济学(一) [老师名称]: 颜厚栋老师 [开课学期]: 98学年上学期 [类型]: 98-1期末考 ------------------------------------------------------------ 今天刚考完它啦!终於飞过了，就放上来给大家参考! 颜老师人真的很好，这次的期末考很多都出自小考考卷呢! 可是我不会放图片上来，就请各位多多包涵! 第二题到第四题的图形是出自小考考卷的! ----------------------------------------------------------------------- Macroeconomics (2009F) Final Exam 选择题 (共80分 每题4分 ) 1. In a large open economy, if an import quota is adopted, then: A) net exports remain unchanged, as imports and exports decrease by equal amounts, while the real exchange rate rises. B) net exports remain unchanged, as imports and exports decrease by equal amounts, while the real exchange rate falls. C) net exports rise and the real exchange rate rises. D) net exports rise and the real exchange rate falls. Use the following to answer questions 2-4: (Exhibit: Policies Influence Real Exchange Rate) 2. (Exhibit: Policies Influence Real Exchange Rate) Which of the graphs illustrates the impact on the real exchange rate of contractionary fiscal at home? A) (A) B) (B) C) (C) D) (D) 3. Which of the graphs illustrates the impact on the real exchange rate of an increase in investment demand? A) (A) B) (B) C) (C) D) (D) 4. Which of the graphs illustrates the impact on the real exchange rate of an increase in household saving? A) (A) B) (B) C) (C) D) (D) 5. If purchasing-power parity held, if a Big Mac costs $2 in the United States, and if 10 Mexican pesos trade for $1 dollar, then a Big Mac in Cancun, Mexico should cost: A) 2 pesos. B) 5 pesos. C) 10 pesos. D) 20 pesos. 6. If the nominal exchange rate falls 10 percent, the domestic price level rises 4 percent, and the foreign price level rises 6 percent, the real exchange rate will fall: A) 0 percent. B) 8 percent. C) 10 percent. D) 12 percent. 7. The natural rate of unemployment is: A) the average rate of unemployment around which the economy fluctuates. B) about 10 percent of the labor force. C) a rate that never changes. D) the transition of individuals between employment and unemployment. 8. In the model of the steady-state unemployment rate with a fixed labor force, the rate of job finding equals the percentage of the ______ who find a job each month, while the rate of job separation equals the percentage of the ______ who lose their job each month. A) labor force; labor force C) employed, labor force B) labor force, unemployed D) unemployed, employed 9. If s is the rate of job separation, f is the rate of job finding, and both rates are constant, then the unemployment rate is approximately: A) f/(f + s). B) (f + s)/f. C) s/(s + f). D) (s + f)/s. 10. By paying efficiency wages, firms contribute to higher wait unemployment because they: A) increase the wage bill. B) make workers more productive. C) keep the wage below the equilibrium level. D) keep the wage above the equilibrium level. 11. The change in capital stock per worker (岛k) may be expressed as a function of s—the saving ratio, f(k)—output per worker, k—capital per worker, and 讦—the depreciation rate, by the equation: A) 岛k = sf(k) / 讦k. C) 岛k = sf(k) + 讦k. B) 岛k = sf(k) 毕 讦k. D) 岛k = sf(k) – 讦k. 12. The formula for the steady-state ratio of capital to labor (k*), with no population growth or technological change, is s: A) divided by the depreciation rate. B) multiplied by the depreciation rate. C) divided by the product of f(k*) and the depreciation rate. D) multiplied by f(k*) divided by the depreciation rate. 13. If the per-worker production function is given by y = k1/2, the saving ratio is 0.3, and the depreciation rate is 0.1, then the steady-state ratio of capital to labor is: A) 1. B) 2. C) 4. D) 9. 14. The Solow model shows that a key determinant of the steady-state ratio of capital to labor is the: A) level of output. B) labor force. C) saving rate. D) capital elasticity in the production function. 15. The Golden Rule level of capital accumulation is the steady state with the highest level of: A) output per worker. C) savings per worker. B) capital per worker. D) consumption per worker. 16. (Exhibit: Steady-State Consumption II) The Golden Rule level of steady-state consumption per worker is: A) AC. B) AB. C) BC. D) DE. 17. Assuming that technological progress increases the efficiency of labor at a constant rate is called: A) endogenous technological progress. B) the efficiency-wage model of economic growth. C) labor-augmenting technological progress. D) the Golden Rule model of economic growth. 18. In a steady-state economy with a saving rate s, population growth n, and labor-augmenting technological progress g, the formula for the steady-state ratio of capital per effective worker (k*), in terms of output per effective worker (f(k*)), is (denoting the depreciation rate by d): A) sf(k)/(讦 + n + g). C) f(k)/((s)( 讦 + n + g)). B) s/((f(k))( 讦 + n + g)). D) (s – f(k))/( 讦 + n + g). 19. If the per-worker production function is y = Ak, where A is a positive constant, in the steady state, a: A) lower saving rate does not affect the growth rate. B) higher saving rate does not affect the growth rate. C) lower saving rate leads to a higher growth rate. D) higher saving rate leads to a higher growth rate. 20. When capital increases by 岛K units and labor increases by 岛L units, output (岛Y) increases by: A) 岛K + 岛L units. C) (MPK 毕 岛K) + (MPL 毕 岛L) units. B) MPL + MPK units. D) (MPL 毕 岛K) + (MPK 毕 岛K) units. 问答题 (20分) 假设甲国之经济具有如下 Solow growth model 之特性: 储蓄率 (saving rate, s) .20 折旧率 (depreciation rate, δ) .12 长期稳定均衡平均每个工人资本(steady-state capital per worker, k) 4 人口成长率 (population growth rate, n) .02 长期稳定均衡平均每个工人产出(steady-state output per worker, y) 20,000 a. 长期稳定均衡平均每个工人资本之成长率是多少？(What is the steady-state growth rate of output per worker?) b. 长期稳定均衡平均每个工人产出之成长率是多少？ (What is the steady-state growth rate of total output?) c. 长期稳定均衡平均每个工人消费水准是多少？ (What is the level of steady-state consumption per worker?) d. 长期稳定均衡平均每个工人投资水准是多少？ (What is the steady-state level of investment per worker?) AACAD DADCD DDDCD BCADC Ans: Ans: a. In the steady state, capital per worker is constant, so output per worker is constant. Thus, the growth rate of steady-state output per worker is 0. b. In the steady state, population grows at 2 percent rate (.02). Capital must grow at a rate of 2 percent in order to maintain a constant capital per worker ratio in the steady state; therefore, given the constant returns to scale production function, total output must increase at a 2 percent rate. c. If the saving rate is 20 percent, then the consumption rate is 80 percent (1 - .2). Steady-state consumption per worker is 16,000, which is 80 percent of steady-state output per worker. d. In the steady state, investment per worker equals saving per worker, which is 20 percent of steady-state output per worker. Thus, steady-state investment per worker is 4,000. --

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