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Vol119,No11JournalofIndustrialEngineeringPEngineeringManagement20051,,(,200052):,,,:;,;,:;;;;:F626:A:100426062(2005)0120065204:2003203207:2003209216:(70172001):(1976),,,,,0,,,,2090:1993,;1998,,[1];1999,,,;2002,613914,2107,(2114),[2],,::,[3,4];:,,,;,,,,;,(),,,1,,:,:a);b)(),,,;c),(200216%[2]),:a),,(2002,[2]);b),,2001,,,;,,,,;,,,156,1:1:,,(bypass);F,qF,M,qM,;FcF,tF;cMtM,2(CallerPayPrinciple,CPP),,1:M=(pM-cM-tF)qM(pM)+(tM-cM)qF(pF,qM)(1)F=(pF-cF-tM)qF(pF,qM)+(tF-cF)qM(pM)(2)CPP,,(),,qFqM[4];=9qFP9qM0,,,(),,:=-9qM9pMpMqM=-9qF9pFpFqF,1211tM=cM,tF=cF,pF=cM+cF1-1P,pM=(cM+cF)(1-P(-1))1-1P1:,(doublemarginalization),[5]212(1)(2)9M9pM=9M9tM=0,9F9pF=9F9tF=0:tM=cM1-1PFM;pM=(tF+cM)-(tM-cM)1-1P;tF=cF-(cF+tM)-11-1PMF;pF=cF+tM1-1P2:,,;:dpMPd0,,pM,M,pMcM+cF,,,dtFPd0,F,tF,1:,,,:,=0,tF=cF1-1PMF,pF=cF+tM1-1P;tM=cM1-1PFM,pM=cM+tF1-1P,,,,FM,[5,6]2:,,:tFpM,tMpF,,,,3(ReceiverPayPrinciple,RPP),,(CPP),RPP,,,RPP,1:M=(pM-cM-tF)qM(pM,tM)+(tM-cM)qF(F,tM,qM(pM,tM))(3)F=(F-cF)qF(F,tM,qM(pM,tM))+(tF-cF)qM(pM,tM)(4)RPP,(3)(4)(1)(2)66:FMqFtM:FM=-(9qF)P(9tM)(tM)P(qF)MF1,,1,,,,,,,,(),,qF:F,;tM,(CPPtM,),tMqM;qM,,[4],(3)(4)9M9pM=9M9tM=09F9F=9F9tF=0:tM=cM1-1FM1-qMqF(cM+tF)-(tM-cM)tMMM-1;pM=(tF+cM)-(tM-cM)1-1P;F=cF+tMP1-1P;tF=cF-(cF+tM)-11-1PMF;pF=F+tM=cF+tM1-1P3:,MM0:,RPPtM,MM0;CPP,tMMF,qMtM,MM=01:MM0,RPP;,:MM0tMpF,;,tMtFpM,,MM0,tMpF,tM,,M(PM,tM);tM,MPM,2:,:4:,,;,:1,,,RPPtMpFCPP,tFpM,RPP;,RPPCPPtM,tFtM,1CPPRPPCPPRPP0n+tM=cM1-1PFMtF=cF1-1PMFtM=cM1-1FM1-qMqFcM+tFtMMM-1tF=cF1-1PMF+cM+tFtM-cFtM=cM1-1PFMtM=cM1-1PFM1:,:,,,CPPRPP,CPP(RPP,),,,,,[3][4],,(,,,,[6]),[7],,,,,,4,,,:;,;,,[1].[J].,2000,4:87101.76Vol119,No1120051MMqMtM:MM=-(9qMPqM)P(9tMPtM)[2].2002[R].[3]ParkMC,LeeSW.Doublemarginalizationproblems:evidencefromtheKoreanfixed2to2mobileservicemarket[J].TelecommunicationPolicy,2002,26:607621.[4]DoyleC,SmithJC.Marketstructureinmobiletelecoms:qualifledindirectaccessandthereceiverpaysprinciple[J].InformationEconomicsandPolicy,1998,10:471488.[5].[M].:,1997.216221.[6]EconomidesN.Theeconomicsofnetworks[J].InternationalJournalofIndustrialOrganization,1996,14:673699.[7]LeeDJ,KatayamaH,OhHS.Verticalintegrationinthetelecommunicationmarket[J].Computersind.Engng,1997,Vol.33,Nos324,pp.841844.ResearchofthePricingStrategyinMobileTelecommunicationspUnilateralChargingLBZhi2yong,CHENGHong2min,LIAOGang(AetnaSchoolofManagement,SJTU,Shanghai200052,China)Abstract:Manypeoplepaidattentiontothechargingmodeandpricingstrategyofmobiletelecommunicationswithitsfastdevelopment.ThispaperfocusingontheunilateralpricingstrategyofChinesemobiletelecommunicationsconcludedthatnetworkexternalitywouldimprovethesocialwelfare.Italsosuggestedthatweshouldadoptcallerpayprincipletopromptmobiletelecommunicationsatthebeginningandadoptreceiverpayprincipletoincreasesocialwelfareintheend.Keywords:unilateralcharging;callerpayprinciple;receiverpayprinciple;networkexternality;doublemarginalization:86: