的知识网络及其创新绩效研究__以河南省鄢陵县花木

河南大学硕士学位论文农业产业集群的知识网络及其创新绩效研究--以河南省鄢陵县花木产业集群为例姓名：刘萍申请学位级别：硕士专业：区域经济学指导教师：李二玲2011-06I123II45612345IIIAbstractAtpresent,thecompetitivenessofChina'sagriculturalindustryclusterispoor,innovationisweak,andknowledgenetworkisundeveloped.Inthecontextoftheneweconomy,knowledgeandinnovationarebecomingtheimportantfactorsineconomicgrowth,whilethenetworkispreciselytheeffectivewaytoinnovateandspreadknowledge.Inordertosolveproblemsinagriculturalindustryclusters,scholarscarriedoutalotofresearchfromthecharacteristics,formationmechanism,developmentofmodel,andmanyotheraspectsofagriculturalindustryclusters,andmademanyusefulinsights.However,theresearchesoninternalstructure,networkandinnovationoftheagricultureindustryclustersarestillveryrare.Therefore,thispaperbasedonthenetworkperspective,takingtheflowersandplantsindustryinYanlingCounty,HenanProvinceforexample,makesadetailedinvestigationonthedevelopmentoverviewofthewholeindustrialclusters,theclusternetworkcharacteristics,andtheenterprise’sinnovationwithinthecluster.Then,thispapertakesthedataobtainedfrompersonalinterviewsandfieldsurveyasthemaindata.Fromtwodimensions(networkstructureandnetworkrelations)andthreelevels(technologynetwork,marketnetworkandcollaborativenetwork),thispaperusingdescriptivestatistics,socialnetworkanalysis,principalcomponentanalysis,regressionanalysis,etc.,deeplyexploresthestructuralcharacteristicsandrelationshipcharacteristicsoftheagricultureindustryclusters,andexplorestheknowledgenetwork’seffectsontheclusterenterprise’sinnovationperformance.Thefollowingisasummaryoftheconclusions.(1)Threetypesofknowledgenetworkspresentinthreedifferentstructuralforms.Inthetechnologynetworkwhichpresentscore–peripherystructure,corenodeshavemorenetworkrelationshipsthananyothernodes,andtheycansearchexternalknowledgeextensively,whiletheperipheralnodeslooselylinkIVwithothermembers.Inthemarketnetworkwhichpresentsgroupseparatedstructure,largegrouphasastrongcohesionandtheinternalmembershaveacloserelationship,whilethesmallgrouphasaloosecohesion.Thisnetworkwhichisnotstableenoughshouldbetakentoavoidseparationoffactions.Cooperationnetworkcanbeviewedasaclosedwholenetwork.Therearerareisolatednodesinthenetworkandeachnodedeeplyembeddedinknowledgenetwork.(2)Inthethreekindsofknowledgenetworks,membersincooperationnetworklinkmostfrequent.Thecooperationnetwork’sdensityismaximal,marketnetworkisnext,andtechnologynetwork’sdensityisminimal.Complementaritiesamongfarmerstocompletetheorderandtogetherformthemarketmakethecooperationnetworkmostdense.Theexplicitnessofgrowingtechnologymakesmembersofthenetworkwithoutmuchinteraction.Inaddition,coreenterprisesinthethreeknowledgenetworkshavemoreknowledgeassociations.Theseenterprisesaretheimportantknowledgegatekeeperinthecluster,whilethefarmersandsomesmallenterprisesareoftenisolatedinthenetwork.Alloftheseleadtotheasymmetryofknowledgespillovers.Exceptthecoreenterprises,anumberofintermediaryorganizationsandserviceagenciesforknowledgediffusionplayaveryimportantrole.(3)Inthethreekindsofknowledgenetworks,coreenterpriseshavestrongerrelationshipstrengthandrelationshipqualitythanothertypesoforganizations.Itprovesthatfrequentandhigh-qualityknowledgeflowstendtoconcentrateatahighlevelgroup,butdoesnotflowinthewholecluster.Knowledgetendstoaroundthestrongcorewhichhasmoreknowledgeendowment.Farmersinthethreenetworkshavetheweakestrelationshipstrengthandrelationshipquality.(4)Coreenterprises’technologynetworkrelationshipstrengthislowerthantheirownmarketnetworkrelationshipstrengthandcooperationnetworkrelationshipstrength,whichiscontrarytothenormalenterprises,quasienterprisesandfarmers.ThismaybeduetothesecoreenterprisesintheclusterareoftenVthetechnologydevelopmentcenter.Theirowntechnologyknowledgestorageismoreadequatethanmarketknowledgestorageandcooperationknowledgestorage,sothetechnologyknowledgenetworkrelationshipstrengthwillbelowercorrespondingly.Ingeneral,coreenterprises’technologynetworkrelationshipstrengthisstillstrongerthantheotherorganizations.Furthermore,themarketnetworkrelationshipqualityishigherthanthetechnologynetworkrelationshipqualityandthecooperationnetworkrelationshipqualityinthewholeflowersandplantsindustrycluster.(5)Innovationperformanceofenterpriseintheclustervarieswidely.Innovationperformanceofthegeneral-drivenenterpriseishighest.General-drivenenterprisesaremainlybythecompositionofthecoreenterprisesandinformalenterprises.Theyarethemaininnovativemembersandhavethestrongestcomprehensivestrengthinthecluster.Innovationperformanceofthecapitaldrivenenterpriseissecond,whichlacksthepracticalabilityofinnovation.Innovationperformanceofthegeneralnon-optimalenterpriseislowest.Generalnon-optimalenterprisesaremainlybythecompositionoftheassociatecompanies,whicharenotyetmatureandperfectinallaspects.(6)Throughregressionanalysisbetweenthecharacterindexesofthenetworkstructureandnetworkrelationshipandtheindexesoftheenterprise’sinnovationperformance,thefollowingresultshavebeenobtained.1Degreecentralityofenterpriseinthemarketknowledgenetworkandthecooperationnetworkhasasignificantpositive