课程名称︰ 经济学原理与实习二 课程性质︰ 必修(兼通识) 课程教师︰ 张清溪 开课学院： 社会科学院 开课系所︰ 财金系 经济系 考试日期（年月日）︰ 2009/06/15 考试时限（分钟）： 120 是否需发放奖励金： 是 （如未明确表示，则不予发放） 试题 : 一、选择题(每题2分) 1.According to liquidity preference theory, the money supply curve would shift if the Central Bank (A) changed the re-discount rate (B) engaged in open-market transactions (C) changed the reserve requirement (D) did any of the above 2.When the Central Bank buys government bonds, the reserves of the banking system (A) decrease, so the money supply increases (B) increase, so the money supply decreases (C) increase, so the money supply increases (D) decrease, so the money supply decreases 3.Which of the following is the most liquid asset? (A) stocks and bonds with a high risk (B) capital goods (C) sotcks and bonds with a low risk (D) funds in a checking account 4.When the interest rate increases, the opportunity cost of holding money (A) increases, so the quantity of money damanded decreases. (B) decreases, so the quantity of money damanded increases. (C) increases, so the quantity of money damanded increases. (D) decreases, so the quantity of money damanded decreases. 5.If at some interest rate, the quantity of money damanded is greater than the quantity of money supplied, people will desire to (A) buy interest-bearing assets causing the interest rate to increase. (B) sell interest-bearing assets causing the interest rate to increase. (C) buy interest-bearing assets causing the interest rate to decrease. (D) sell interest-bearing assets causing the interest rate to decrease. 6.According to liquidity preference theory, people will want to hold more money if the price level (A) or the interest rate decreases. (B) or the interest rate increases. (C) increases or the interest rate decreases. (D) decreases of the interest rate increases. 7,In the IS-LM model, the reason for the slope of the aggregate demand curve is that as the price level (A) increases, interset rate decrease, and investment increases. (B) decreases, interset rate increase, and investment increases. (C) increases, interset rate increase, and investment decreases. (D) decreases, interset rate decrease, and investment decreases. 8.If the Central Bank decided to lower interest rates, it could (A) sell bonds to raise the money supply. (B) buy bonds to lower the money supply. (C) sell bonds to lower the money supply. (D) buy bonds to raise the money supply. 9.During recessions, automatic stabilizers tend to make the government's budget (A) move toward surplus. (B) move toward balance. (C) move toward deficit. (D) move to uncertain direction. 10.In the long run, the level of output (A) depends on the price level. (B) depends on the money supply. (C) is determined by supply-side factors. (D) All of the above are correct. 11.In the long run, changes in the money supply affect (A) price. (B) unemployment rates. (C) output. (D) All of the above. 12.Fiscal policy refers to the idea that aggregate demand is changed by changes in (A) trade policy. (B) the money supply. (C) government spending and taxes. (D) All of the above are correct. 13.Which of the following is not included in aggregate demand? (A) purchases by foreigners of consumer goods produced in the US (B) purchases of stock and bonds (C) purchases of capital goods such as equipment in a factory (D) purchases of services such as visits to the doctor 14.The wealth effect, interest rate effect, and exchangerate effect are all explanations for (A) everything that makes the aggregate demand curve shift. (B) the slope of long-run aggregate supply. (C) the slope of the aggregate demand curve. (D) the slope of short-run aggregate supply. 15.The long-run aggregate supply curve shifts right if (A) the capital stock increases. (B) net export increases. (C) government's investment rises. (D) All of the above are correct. 16.下列何者不是造成中共改革开放以後，变成「私营政府」的主要原因？ (A) 保障中共专政的宪法 (B) 地方分权的财政联邦主义 (C) 招商引资的开放政策 (D) 渐进疗法的制度转轨方式 17.A decrease in unemployment insurance payments would in effect ___ the amount of time spent searching for a job, which would decrease ___ unemployment. (A) decrease; frictional (B) increase; frictional (C) increase; cyclical (D) decrease; cyclical 18.Charlie is now working and is currently looking for work. 行政院主计处 would count Charlie (A) as employed, and also in the labor force. (B) as unemployed, and in the labor force. (C) as unemployed, but not in the labor force. (D) as employed and as unemployed. 19.Imagine that you borrow $5000 for one year and at the end of the year you repay the $5000 plus $600 of interest. If the inflation rate was 4%, what was the real interest rate you paid? (A) 6% (B) 8% (C) 12% (D) 16% 20.When actual inflation is less than expected inflation (A) borrowers lose and lenders gain. (A) borrowers gain and lenders lose. (A) borrowers and lenders both lose. (A) borrowers and lenders both gain. 21.Suppose you withdraw $500 from your checking account deposit and bury it in a jar in your backyard. If the required reserve ratio is 20%, checking account deposits in the banking system as a whole could drop up to a maximum of (A) $500 (B) $1000 (C) $2500 (D) $5000 22.Which of the following is defined as "Simple Keynesian Model": (A) Y = C + G (B) Y = C + I (C) Y = C + X (D) Y = C + S 23.Which of the following should be counted as GDP in current year? (A) the increment of year-end inventory of this year over that of the last year. (B) the increment of current-year export over that of the last-year. (C) the increment of current-year import over that of the last-year. (D) All of the above. 24.A.W.Phillips(1914-1975) found a negative relation between (A) output and employment. (B) wage inflation and output. (C) output and unemployment. (D) wage inflation and unemployment. 25.If the short-run Phillips curve were stable, which of the following would be unusual? (A) an increase in both inflation and output. (B) a decrease in inflation and an increase in unemployment. (C) an increase in both inflation and unemployment. (D) an increase in output and a decrease in unemployment. 二、问答题 1.假设一开放体系下的简单凯因斯模型如下：(15分) Y = C + I + G + (X - M) C = Ca + b(Y - T) I = I + iY T = T G = G X = X M = Ma + mY 其中，b:边际消费倾向，i:边际投资倾向，m:边际进口倾向。 (a) 请推导此模型的自发性支出乘数。 (b) 如果政府支出必须平衡预算，证明政府自发性支出乘数小於1。 (c) 给定b = 0.1, m = 0.1, i = 0.3, Ca = 20, Ma = 8, I = 50, G = 10, T = 10, X = 10。则均衡所得是多少？假设现在体系存在紧缩缺口21，则充分就业的均衡所 得为何？ 2.回答以下两题 IS-LM 的问题。(10分) (a) 绘出一般的IS-LM图，并由Real Balance Effect(实质余额效果，也称为 Interest-rate Effect)，导出负效率的AD曲线。 (b) 用上述图形，在图上说明Wealth Effect(财富效果)，如何导出负效率AD曲线。 3.政府发放消费券8亿元(以下数字，均以亿为单位)。(20分) Y = C + I + G C = 80 + 0.6(Y - T) I = 30 - 200i T = 40 G = 40 其中，T是政府的净税收，目前利率i=0.05，因此I=20。请用以上模型，回答下列问题 (a) 发放消费券前、後的均衡所得，各为多少？ (b) 用45度线图，绘图说明上述答案。 (c) 导出IS线的数学式子，并绘出IS线(不考虑消费券)。 (d) 以IS线，配合一般的LM线图，在图上说明消费券的效果。并比较此时消费券效果， 与45度线图的效果何者为大？为什麽？ 三、是非简答题(每题5分) 以下叙述如果是对的，请标示"T"；如果是错的，请标示"F"。请简略解释你的答案(不论 选择T或F，都必须解释，不解释不给分) 1.排挤效果(crowding-out effect)指的是因为民间投资的增加排挤了民间消费。 2.事後的储蓄必定等於事前的储蓄，但事後的投资不一定等於事前的投资。 3.在凯因斯模型 Y = C + I + G + X - M 下，可证明 X = M = 10 与 X = M = 50 时， 均衡所得相同。 4.资本主义越重要，学术上讨论资本主义的价值越低。 5.价量管制、独占与共产制度下经常的短缺，在供需图上有其共同之处。 --

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