英文版中级微观经济学课件范里安 第1章.ppt

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1、IntermediateMicroeconomicsIntroductionContentsInstructorandTAsRequirementsCourseoutlineAnexample:marketforapartmentsTextbookIntermediateMicroeconomics:AModernApproach(SixthEdition)byHalR.VarianW.W.Norton，2003TheTheoryofEconomicsdoesnotfurnishabodyofsettledconclusionsimmediatelyapplicabl

2、etopolicy.Itisamethodratherthanadoctrine,anapparatusofthemind,atechniqueofthinkingwhichhelpsitspossessortodrawcorrectconclusions---JohnMaynardKeynesIsEconomicsUseful?AthinkingmachineChangesthewayyouviewlifeandunderstandproblemsAnallroundmajorEconomicsGraduatesTypeofEmployerPercentof

3、GraduatesTraditionalBusiness23.3Government18.4FinancialBusiness17.7GraduateSchool13.7ConsultingServices4.4Private/publicSchool3.9LawFirm3.5Other9.8JobsforEconomistsBusinesseconomistsGovernmenteconomistsAcademiceconomistsMicroeconomicsTheoryApplicationsLaboreconomicsEconomicsofeducationAgr

4、iculturaleconomicsIndustrialorganizationsHealtheconomics……CourseOutlineConsumertheory(1-15)Producertheory(18-27)Marketequilibrium(16-17,30-32)SpecialtopicsonequilibriumEconomicModelingWhatcauseswhatineconomicsystems?Atwhatlevelofdetailshallwemodelaneconomicphenomenon?Whichvariablesaredete

5、rminedoutsidethemodel(exogenous)andwhicharetobedeterminedbythemodel(endogenous)?ModelingtheApartmentMarketHowareapartmentrentsdetermined?Supposeapartmentsarecloseordistant,butotherwiseidenticaldistantapartmentsrentsareexogenousandknownmanypotentialrentersandlandlordsModelingtheApartmentMa

6、rketWhowillrentcloseapartments?Atwhatprice?Willtheallocationofapartmentsbedesirableinanysense?Howcanweconstructaninsightfulmodeltoanswerthesequestions?TwoPrinciplesinEconomicsOptimization:Eachpersontriestochoosethebestalternativeavailabletohimorher.Equilibrium:Marketpriceadjustsuntilquant

7、itydemandedequalsquantitysupplied.ModelingApartmentDemandDemand:Supposethemostanyonepersoniswillingtopaytorentacloseapartmentis$500/month.Thenp=$500QD=1.Supposethepricehastodropto$490beforea2ndpersonwouldrent.Thenp=$490QD=2.ModelingApartmentDemandTheloweristherent