A companythatsuffersfromlowinternalintegrationbetweencorporatefunctionsperformsworsethan
its moreintegratedcompetitors,leavingitinapositionofcompetitivedisparity.Thispaperreportson
an investigationoftheeffectsofinternalintegrationbetweenpurchasingandoperationsonthe
mobilizationofsupplierresources.Lowinternalintegrationgeneratesuncoordinatedoperationsand
purchasingbehaviorsthatnegativelyaffectsupplierresourcemobilization.Wefindthatthelackof
operationssupportforeightmajorpurchasinginitiativesinaconstructioncompanynegativelyaffects
supplierresourcemobilization,resultinginpoorexchangeoutcomesforthesuppliers.Furthermore,
differenttypesofuncoordinatedbehaviorsaffectsuppliers’resourcemobilizationindiversenegative
ways. Basedontheresults,weofferacategorizationofdiversetypesofsuppliermobilizationactivities
and offerseveralmanagerialimplicationsforbothbuyersandsuppliers.