第1题
种政策: a.技术进步提高了资本的边际生产率; b.人们预期未来收入会有增长; c.信用卡的应用提高了货币周转率; d.人们预期未来税收将会增加。 The government thinks that it can use monetary and fiscal policies to achieve a certain level of output.Which policies would you recommend it to implement if the following events occur: a.A technological improvement raises the marginal productivity of capital. b.People expect an increase in their future income. C.The introduction of credit cards increases the velocity of money. d.People expect a rise in taxes in the future.
第2题
r which circumstances an economy would be closer to the monetarist case than to the liquidity trap case.
第3题
ncrease output as well as private investment.Which type of policy would you recommend?
第4题
货币需求:MD=(0.5Q—i)P。 a.找出IS曲线和凯恩斯乘数; b.假定价格水平为2,求LM曲线; c.求均衡利率和总需求(仍假定P=2); d.求总需求曲线; e.如果政府支出增加至G=12,求它对于产出、利率和价格水平的影响。分析极端凯恩斯学派场合(假定P=2)和古典场合的情况(假定Q=60)o Consider the following structure of all economy: Consumption:C=0.8(Q一T) Investment:I=20—0.4i Government spending:G=10 Taxes:T=20 Money supply:Ms=50 Money demand:MD=(0.5Q—i)P a.Find the IS curve and the Keynesian multiplier. b.Find the LM curve,assuming that the price level is 2. c.Find the equilibrium interest rate and aggregate demand(continue to assume P=2). d.Find the aggregate demand curve. e.Find the effects on output,the interest rate and the price level if government expendituresincrease to G=12.Analyze the extreme Keynesian case(assume P=2)and the classical case(assume Q=60).
第9题
Discuss the effects on the exchange rate(under purchasing power parity)of three different phenomena:a once—and—for—all change in the price level,inflation,and hyperinflation.
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