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1、MANAGEMENTSCIENCEinforms®Vol.53,No.7,July2007,pp.1113–1126doi10.1287/mnsc.1060.0624issn0025-1909eissn1526-55010753071113©2007INFORMSInterfirmCollaborationNetworks:TheImpactofLarge-ScaleNetworkStructureonFirmInnovationMelissaA.SchillingSternSchoolofBusiness,NewYorkUniversity,40WestFourthStreet,
2、NewYork,NewYork10012,mschilli@stern.nyu.eduCoreyC.PhelpsDepartmentofManagementandOrganization,UniversityofWashington,Box353200,Seattle,Washington98195,cphelps@u.washington.eduThestructureofalliancenetworksinfluencestheirpotentialforknowledgecreation.Denselocalclusteringprovidesinformationtransmiss
3、ioncapacityinthenetworkbyfosteringcommunicationandcooperation.Nonredundantconnectionscontractthedistancebetweenfirmsandgivethenetworkgreaterreachbytappingawiderrangeofknowledgeresources.Weproposethatfirmsembeddedinalliancenetworksthatexhibitbothhighclusteringandhighreach(shortaveragepathlengthstoaw
4、iderangeoffirms)willhavegreaterinnovativeoutputthanfirmsinnetworksthatdonotexhibitthesecharacteristics.Wefindsupportforthispropositioninalongitudinalstudyofthepatentperformanceof1,106firmsin11industry-levelalliancenetworks.Keywords:alliances;networks;innovation;patentsHistory:AcceptedbyBrianUzziandLu
5、isAmaral,specialissueeditors;receivedJune16,2004.Thispaperwaswiththeauthors5monthsfor2revisions.Introductionofanindustry-levelinterfirmnetworkinfluencetheAlthoughresearchhaslongrecognizedtheimpor-rateofknowledgecreationamongfirmsinthenet-tanceofinterfirmnetworksinfirminnovation(seework?Ifso,whatstruct
6、uralpropertieswillenhanceFreeman1991forareview),muchofthisworkhasfirminnovation?treatedthenetworkconceptasametaphor.OnlyToaddressthesequestions,weexaminetheimpactrecentlyhaveresearchersbeguntoassesstheformaloftwokeylarge-scalenetworkproperties,clusteringstructuralpropertiesofalliancenetworksandthe
7、irandreach,ontheinnovativeoutputofmembersofimpactonfirminnovation.Thisresearchhasfocusedthenetwork.Thedenseconnectivityofclusterscre-onafirm’spositionwithinabroadernetworkofatestransmissioncapacityinanetwork(Burt2001),re
