曼昆微观经济学原理第五章PPTWord文档下载推荐.docx

曼昆微观经济学原理第五章PPTWord文档下载推荐.docx

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曼昆微观经济学原理第五章PPT@#@@#@OtherElasticitiesCross-priceelasticityofdemand:

@#@measurestheresponseofdemandforonegoodtochangesinthepriceofanothergoodCross-priceelast.=ofdemand%changeinpriceofgood2Forsubstitutes,cross-priceelasticity>@#@0（e.g.,anincreaseinpriceofbeefcausesanincreaseindemandforchickenForcomplements,cross-priceelasticity<@#@0（e.g.,anincreaseinpriceofcomputerscausesdecreaseindemandforsoftwareELASTICITYANDITSAPPLICATION45%changeinQdforgood1@#@CHAPTERSUMMARYElasticitymeasurestheresponsivenessofQdorQstooneofitsdeterminants.PriceelasticityofdemandequalspercentagechangeinQddividedbypercentagechangeinP.Whenit’slessthanone,demandis“inelastic.”Whengreaterthanone,demandis“elastic.”Whendemandisinelastic,totalrevenueriseswhenpricerises.Whendemandiselastic,totalrevenuefallswhenpricerises.46@#@CHAPTERSUMMARYDemandislesselasticintheshortrun,fornecessities,forbroadlydefinedgoods,orforgoodswithfewclosesubstitutes.PriceelasticityofsupplyequalspercentagechangeinQsdividedbypercentagechangeinP.Whenit’slessthanone,supplyis“inelastic.”Whengreaterthanone,supplyis“elastic.”Priceelasticityofsupplyisgreaterinthelongrunthanintheshortrun.47@#@CHAPTERSUMMARYTheincomeelasticityofdemandmeasureshowmuchquantitydemandedrespondstochangesinbuyers’incomes.Thecross-priceelasticityofdemandmeasureshowmuchdemandforonegoodrespondstochangesinthepriceofanothergood.48@#@