macroeconomics宏观经济学

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1、Macroeconomics----------------------------------------------------------------------------------------------------------------------PartIIntroductionChapter1TheScienceofMacroeconomics【Mainpoints】1.ExogenousVariablesandEndogenousVariablesExample:Thetotalquantityandpricelevelofpizzainacount

2、ry.Exogenousvariablesaregiveninamodel.[aggregateincome,priceofmaterials]Endogenousvariablesarewhatamodelexplains.[pricelevelandtotalquantityofpizza]2.FlexiblePriceandStickyPriceFlexibleprice:easytoadjust,inshortrun.Stickyprice:hardtoadjust,inlongrun.=======================================

3、====Chapter2TheDataofMacroeconomics【Mainpoints】1.GDP(1)RealGDPandNominalGDP,GDPdeflator(2)economy'sincome=economy'sexpenditure(3)GDP=C+G+I+NX2.CPI(1)CPImeasuresthepriceofabasketofgoods(2)CPI=∑PmQ/∑PnQ(3)differencebetweenGDPdeflatorandCPI3.TheUnemploymentRate(1)LabourForce=NumberofUnemploy

4、ment+NumberofEmployment(2)UnemploymentRate=NumberofUnemployment/LabourForce×100%----------------------------------------------------------------------------------------------------------------------PartIIClassicalTheory:TheEconomyintheLongRun----FlexiblePriceChapter3NationalIncome:WhereIt

5、ComesFromandWhereItGoes【Mainpoints】1.TotalProduction(1)ProductionFunction:Y=F(L,K)(2)constantreturnstoscale:zY=zF(L,K)2.NationalIncomeDistribution(1)FactorPrices----Labour:MPL=F(L+1,K)-F(L,K)ΔProfit=ΔRevenue-ΔCost=MPL×P-WInordertomaximizeprofit,makeΔProfit=0.SoMPL=W/P,RealWageLabourIncome

6、=MPL×L(2)FactorPrices----CapitalMPK=F(L,K+1)-F(L,K)ΔProfit=ΔRevenue-ΔCost=MPK×P-RInordettomaximizeprofit,makeΔProfit=0.SoMPK=R/P,RealRentalPriceofMacroeconomics----------------------------------------------------------------------------------------------------------------------PartIIntrod

7、uctionChapter1TheScienceofMacroeconomics【Mainpoints】1.ExogenousVariablesandEndogenousVariablesExample:Thetotalquantityandpricelevelofpizzainacountry.Exogenousvariablesaregiveninamodel.[aggregateincome,priceofmaterials]Endogenousvariablesarewhatamodelexplains.[pricel