高宏课件3lecture.ppt

第三章宏观经济学中的微观经济学基础 时间与均衡 掌握动态一般均衡的基础知识 了解动态宏观经济学的微观基础 从微观过渡到宏观 Reference EquilibriumandTime Chapter20 inMas Colell Whinston Green MicroeconomicsTheory OxfordUniversityPress 1995 Outline IntroductionIntertemporalUtilityIntertemporalProductionandEffeciencyEquilibrium One ComsumerCaseStationaryPaths InterestRatesandGoldenRulesDynamicsEquilibrium SeveralConsumersOverlappingGenerationsRemarksonNonequilibriumDynamics 1Introduction StructureofTimeDynamicAspectsDynamicsEquilibrium 2IntertemporalUtility Comsumptionstreamc c0 ct Bounded ct infiniteUtilityfunctionV c Timeimpatience Stationarity Additiveseperability Lengthofperiod Recursiveutility Altrusim 3IntertemporalproductionandEfficiency Productionsetandfunction Def Productionpath ortrajectory orprogram Def Efficientproductionpath Def ProPathismyopicallyprofitmax TVC 4Equilibrium OneConsumerCase Setting Y U w Def WalrasianequilibriumPro TVCholds Def consumptionismaxif Pro20 D 7 Eulerequation Optimizationproblem 5Stationarypaths interestratesandgoldenrules Pro20 E 2r 0orr 0 GoldenRule 6Dynamics FormsofDynamics seefigure20 F1 4 Shocks TransitoryorPermanent fig20 F 7 7Equilibrium SeveralConsumers Def Walrasian competitive equilibrium20 G 1Pro Walrasianequilibrium ParetooptimalPro20 G 2 Severalalmostequalone thatmeans wecoulduseoneagent 8OLG Intergenerationtradearepossible Twoperiod Yong thenOld Budgetconstraint 20 H 1 2 Def WalasianEquilibrium Def20 H 1 Pro Walrasianisparetooptimum Pro20 H 1 Multiplicityofequilibrium 9Non equilibriumDynami