米什金 货币银行学 课件

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1、标题YourSubtitleGoesHereChapter23TheKeynesianFrameworkandtheISLMModelDeterminationofOutputKeynesianISLMModelassumespricelevelisfixedAggregateDemandYad=C+I+G+NXEquilibriumY=YadConsumptionFunctionC=a+(mpcYD)Investment1.Fixedinvestment2.InventoryinvestmentOnlyplannedinvestmentisincludedinYad3Consumption

2、Function4KeynesianCrossDiagramAssumeG=0,NX=0,T=0Yad=C+I=200+0.5Y+300=500+0.5YEquilibrium:1.WhenY>Y*,Iu>0YtoY*2.WhenY

3、/(1–mpc)whetherchangeinAisduetochangeinaorI2.AnimalspiritschangeA7TheGreatDepressionandtheCollapseofInvestment8RoleofGovernment9AnalysisofFigure5:RoleofGovernmentG=+400,T=+4001.WithnoGandT,Yd=C+I=500+mpcY=500+0.5Y,Y1=10002.WithG,Y=C+I+G=900+0.5Y,Y2=18003.WithGandT,Yd=900+mpcY–mpcT=700+0.5Y

4、,Y3=1400Conclusions:1.GY;TY2.G=T=+400,Y40010RoleofInternationalTradeNX=+100,Y/NX=200/100=2=1/(1–mpc)=1/(1–0.5)11Summary:FactorsthatAffectY12ISCurveIScurve1.iINX,Yad,YPoints1,2,3infigure2.RightofIS:Y>YadYtoISLeftofIS:Y

5、fLM:excessMd,itoLM;LeftofLM:excessMs,itoLM14ISLMModelPointE,equilibriumwhereY=Yad(IS)andMd=Ms(LM)AtotherpointslikeA,B,C,D,oneoftwomarketsisnotinequilibriumandarrowsmarkmovementtowardspointE15