资源描述：
《清华经管imba管理经济学课件11new》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、12MonopolisticCHAPTERCompetitionandOligopolyPreparedby:Fernando&YvonnQuijanoCopyright©2009PearsonEducation,Inc.PublishingasPrenticeHall•Microeconomics•Pindyck/Rubinfeld,7e.CHAPTER12OUTLINE12.1MonopolisticCompetition12.2Oligopoly12.3PriceCompetition12.4Compet
2、itionversusCollusion:ThePrisoners’Dilemma12.5ImplicationsofthePrisoners’DilemmaforOligopolisticPricing12.6CartelsProblemSet:PKbook,Chap12,p476-477,Q6,Q10(due2weeksinclass)Chapter12:MonopolisticCompetitionandOligopoly2of35Copyright©2009PearsonEducation,Inc.Pu
3、blishingasPrenticeHall•Microeconomics•Pindyck/Rubinfeld,7e.MonopolisticCompetitionCharacteristics1.Manyfirms2.Freeentryandexit3.DifferentiatedproductChapter12:MonopolisticCompetitionandOligopoly3of35Copyright©2009PearsonEducation,Inc.PublishingasPrenticeHall
4、•Microeconomics•Pindyck/Rubinfeld,7e.MonopolisticCompetitionTheamountofmonopolypowerdependsonthedegreeofdifferentiation.Examplesofthisverycommonmarketstructureinclude:ToothpasteSoapColdremediesChapter12:MonopolisticCompetitionandOligopoly4of35Copyright©2009P
5、earsonEducation,Inc.PublishingasPrenticeHall•Microeconomics•Pindyck/Rubinfeld,7e.MonopolisticCompetitionToothpasteCrestandmonopolypower•Procter&GambleisthesoleproducerofCrest•ConsumerscanhaveapreferenceforCrest–taste,reputation,decaypreventingefficacy•Thegre
6、aterthepreference(differentiation)thehighertheprice.Chapter12:MonopolisticCompetitionandOligopoly5of35Copyright©2009PearsonEducation,Inc.PublishingasPrenticeHall•Microeconomics•Pindyck/Rubinfeld,7e.12.1MONOPOLISTICCOMPETITIONTheMakingsofMonopolisticCompetiti
7、onAmonopolisticallycompetitivemarkethastwokeycharacteristics:1.Firmscompetebysellingdifferentiatedproductsthatarehighlysubstitutableforoneanotherbutnotperfectsubstitutes.Inotherwords,thecross-priceelasticitiesofdemandarelargebutnotinfinite.2.Thereisfreeentry
8、andexit:itisrelativelyeasyfornewfirmstoenterthemarketwiththeirownbrandsandforexistingfirmstoleaveiftheirproductsbecomeunprofitable.Chapter12:MonopolisticCompetitionandOligopoly6of35Copyright©200
