课程名称︰经济学乙二 课程性质︰共同必修 课程教师︰江瑞祥 开课学院：社会科学院 开课系所︰政治系 考试日期（年月日）︰99年6月25日 考试时限（分钟）：120 是否需发放奖励金：yes （如未明确表示，则不予发放） 试题 : 1.Suppose that a U.S. dollar buys more gold in Australia than it buys in Russia. What does purchasing-power parity imply should happen?(10 points) 2.Fill in the table below with the direction of the variables that change in response to the events in the first column.(20 points) 纵向栏: U.S. government budget deficit increases U.S. imposes import quotas Capital flight from the United States 横向栏: U.S. real interest rate U.S. domestic investment U.S. net capital outflow U.S. real exchange rate of domestic currency U.S. trade balance 3.Explain how an increase in the price level changes interest rates. How does this change in interest rates lead to changes in investment and net exports? (20 points) 4.Suppose that large budget deficits in the United States increase interest rates. What effect will the increase in interest rates have on the value of the dollar relative to the Japanese Yuan? Show using a graph of the demand and supply of U.S. dollars for Yuans. What will happen to net exports and aggregate demand as a result?(10 points) 5.Suppose a country is experiencing a deflation while real GDP is below potential GDP.(15 points) (a)If the country's central bank decides it wants to reinflate the economy, what type of policy (expansionary or contractionary) should it pursue? (b)Suppose this policy is enacted. What will happen to the real interest rate and investmant when the economy returns to potential? (c)Suppose the central bank decides not to reinflate the economy, and the economy eventually returns to potential GDP. How will the long run equilibrium values for the real interest rate and investment differ from your answer in (b)? 6.Suppose the consumers become pessimistic about the future health of the economy. What will happen to aggregate demand and to output? What might the president and Congress have to do to keep output stable?(15 points) 7.Use the two graphs in the diagram to answer the following question.(10 points) 图没办法画出来... (a)Refer to Figures above. Starting from C and 3, in the short run an unexpected increase in money supply growth moves the economy to which points in both figures? (b)Refer to Figures above. Starting from C and 3, in the long run, an increase in money supply growth moves the economy to which points in both figures? (c)Why the economy would move from C to B? --

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