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1、AcceptedManuscriptCoordinationandPriceCompetitioninaDuopolyCommonRetailerSupplyChainSantanuSinha,S.P.SarmahPII:S0360-8352(10)00107-5DOI:10.1016/j.cie.2010.04.010Reference:CAIE2728Toappearin:Computers&IndustrialEngineeringReceivedDate:25October2008RevisedD
2、ate:21April2010AcceptedDate:24April2010Pleasecitethisarticleas:Sinha,S.,Sarmah,S.P.,CoordinationandPriceCompetitioninaDuopolyCommonRetailerSupplyChain,Computers&IndustrialEngineering(2010),doi:10.1016/j.cie.2010.04.010ThisisaPDFfileofanuneditedmanuscriptt
3、hathasbeenacceptedforpublication.Asaservicetoourcustomersweareprovidingthisearlyversionofthemanuscript.Themanuscriptwillundergocopyediting,typesetting,andreviewoftheresultingproofbeforeitispublishedinitsfinalform.Pleasenotethatduringtheproductionprocesser
4、rorsmaybediscoveredwhichcouldaffectthecontent,andalllegaldisclaimersthatapplytothejournalpertain.ACCEPTEDMANUSCRIPTCoordinationandPriceCompetitioninaDuopolyCommonRetailerSupplyChainSantanuSinhaComplexDecisionSupportSystemsTataConsultancyServices,Mumbai400
5、093,India*S.P.SarmahDepartmentofIndustrialEngineeringandManagementIndianInstituteofTechnology,Kharagpur721302,INDIAAbstractThispaperanalyzesthecoordinationandcompetitionissuesinatwo-stagesupply-chaindistributionsystemwheretwovendorscompetetoselldifferenti
6、atedproductsthroughacommonretailerinthesamemarket.Thedemandofaproductnotonlydependsonitsownprice,butalsoonthepriceoftheother.Mathematicalmodelshavebeendevelopedtoanalyzethecoordinationissuesunderthreedifferentcontexts,(i)pricecompetitionwithoutchannelcoor
7、dination(ii)pricecompetitionwithchannelcoordinationand,(iii)globalcoordination.Ithasbeenshownthatundercertainconditions,pricecompetitionthroughthedynamicprocessofpriceadjustmentreachestheNash-Bertrandequilibrium.ConditionshavebeenderivedfortheNash-Bertran
8、dequilibriumtobedynamicallystable.Further,ithasbeenshownthatduopolycompetitioncanmakeconsumersbetterofforworseoffdependingonthedegreeofproductdifferentiationandthetypeoftheproduct;whilecoordinationenhancesoverallsup
