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1998 r".ãpMs'UVJ Rs Oc k ,/ JAbÎtãpMs',u } z Oc üQv Oc § JA EoJdT$i} Oc OJAcb Î 8Rws T Oc k T z Ordoveretal.
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1998, T597
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DKVH:2004/12/1410:29AMpage:600
. 32:4(2004)%&'( (1987), ¡¢
£
1987 ¤¥¦ , §: ª ¨© º «»¬® ¯
2003 , °±² ³´° µ¶·¸ , ¹º2003
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&' , §:ÃØÙÚª«¬ Abiru,M.,,,(1998),“EquilibriumStructuresinVerticalOligopoly,”JournalofEconomicBehaviorandOrganization,37(4),463–,M.-H.(1992),“ExclusiveDealingContractsinaSuccessiveDuopolywithSidePay-ments,”SouthernEconomicJournal,59(2),180–,D.(1996),“TheScopeforCollusionandCompetitioninaRegulatedVerticallyIntegratedIndustry,”BulletinofEconomicResearch,48(3),253–,(1979),“VerticalIntegrationofSuccessiveOligopolists,”Ameri-canEconomicReview,69(1),137–,(1999),“IncompleteContractsandIndustrialOrganization,”NBERWorkingPaper:7303,,,(1997),“DirectVerticalIntegrationStrategies,”SouthernEconomicJournal,64(1),220–,O.(1995),Firms,ContractsandFinancialStructure,NewYork:,.(1999),“CompetitiveVerticalForeclosure,”ManagerialandDecisionEco-nomics,20(4),229–,(1999),“Rent-ShiftingExportSubsidieswithanInportedInter-mediateProduct,”JournalofInternationalEconomics,48(2),199–,.(1988),“OligopolyandVerticalIntegration:Note,”AmericanEconomicReview,600
DKVH:2004/12/1410:29AMpage:601 6789*:;< =>?@+!,"[\,,]^_`78(1),251–,.,,(1990),“EquilibriumVerticalForeclosure,”Ameri-canEconomicReview,80(1),127–,.(1988),“VerticalMergersandMarketForeclosure,”QuarterlyJournalofEco-nomics,103(2),345–,(1989),HandbookofIndustrialOrganization,Amsterdam,Netherlands:,(1998),“VerticalMarketParticipation,”ReviewofIndustrialOrga-nization,13(3),321–,(1991),“VerticalForeclosureandInternationalTradePolicy,”ReviewofEconomicStudies,58,153–,(1992),“TradeandProtectioninVerticallyRelatedMarkets,”JournalofInternationalEconomics,32,31–,J.(1950),“VerticalIntegrationandAntitrustPolicy,”JournalofPoliticalEconomy,58,347–,.,,(1998),Takeovers,Restructuring,andCorporateGovernance,NewJersey:
DKVH:2004/12/1410:29AMpage:602VERTICAL
. 32:4(2004)KINuCDaeTCDnnIhSCCEetFigpoheGRATIONUNDERPROnh acraFCurinEfatomnghlr RS eeGGHcnnEueiteugnnNongnefAcrTgeUEanlIcnADdAoEivi ynvdTeiouLsrWIsmcioiOiatninayNctinsongDUCT∗CDheipnaeersstMmeeeCCenuuit llttJouuufrreeEKcUUonnoniivvoeemrrssiciittsyyKeywords:Verticalintegration,Marketforeclosure,SuccessiveduopolyJELclassi cation:L11,L13∗Correspondence:Kuang-ChengAndyWang,SocialScienceDivision,CenterforGeneralEducation,Chang-GungUniversity,Taoyuan333,:(03);Fax:(03)211-8345;E-mail:andykcwang@
DKVH:2004/12/1410:29AMpage:603 6789*:;< A=BS>?@+!,"[\,,]^_` TRACTThispaperusesasuccessiveduopolymodel,undertheconditionofproductdiffer-entiation, ow ,thesmallerthemarketsizewhichthenon-integrateddownstreamfirmfacesandthemoresubstitutablethetwofinalproductsare,,,ifmarketforeclosureforintermediategoodsdoesnothappenafterverticalintegration,,itispossiblefortheprofitofanon-integrateddownstreamfirmtoincreaseafterverticalintegrationifthetwofinalgoodsare(perfect)substitutes;,
