Anewkindofprofessionalpurchaserbentongettingrock-bottomcoststhreatenssuppliersofbasicmaterials.Butthesecompaniescansavethemselvesbytakingupthepurchasers?weaponsThereisakillerontheloosenearthestartofthevaluechain.Suppliersofbasicmaterials1haveseentoughtimesastheirownsuppliersconsolidatedandcustomerssqueezedtheirmargins.Nowsomeofthosecustomersareusingakindofsophisticatedprofessionalpurchaser,knownasa"sourcer,"whothreatenstoruboutthemeagermarginsthatremain.Armedwithadetailedknowledgeofthesuppliers?economics,thesourcerspurnsthetraditionalapproachofbuildingcloserelationshipsinfavorofextractingthemostvalueatthelowestpossiblecost.Somesuppliersmaynotsurvivetheassault.Indeed,thismismatchcandestroyvaluequickly.Oneglobalproducerofspecialtylubricantsrecentlyacquiredseveralservicebusinessesinanefforttodistinguishitselffromcompetitors.Theinitialstrategywassound.Butthensourcersdemandedthatthesupplierbundleitsnewserviceswiththelubricantsatnoextracharge.Topreservesalesvolumes,thesupplieracquiesced.Intheend,whathadstartedasasensibleefforttocombineachemicalbusinessthathada5percentreturnonsaleswithservicebusinessesthathada一五percentROSgavethecompanyanoverallROSoflessthan5percent.Somesuppliershavesufferedsomuchfromthesourcers?attacksthatcounteringthem,ratherthanpassivelywatchingmarginserodefurther,mustnowbeastrategicpriority.Afirststepisforsupplierstounderstandhowsourcershaveshiftedtheoddsagainstthem.Thesecondistousethatunderstandingbyfightingbackthroughinternalimprovementsandbytakingadvantageofthementalityofthesourcerstocreatevalueforboththemandthesuppliers.Andsuppliersmusttakeamuchtoughernegotiatingstand梚fnecessary,reducingtheirservicestocustomersorevenabandoningcustomers,howeverlong-standing,thathavebecometooexpensivetoserve.SMARTSTUFFProfessionalsourcersfirstappearedabouttenyearsago.Initially,theytargetedretailersanddistributors;latertheymovedupthevaluechaintoincludesuppliersofbasicmaterials.Insteadoflookingforsuppliersthatofferthelowestunitpriceforproducts,sourcersconcentrateonreducingtheircompanies?totalcostofowningtheproductsinquestion.Thetotalcostofownership(TCO)includesallexpensesincurredingettingandusingproducts梟otonlyinvoiceprices,butalsocostssuchasdelivery,storage,andthedisposalofpackagingmaterialsandby-products.Sourcersstartbyusingtheirvolumetosqueezeasmuchvalueoutofasupplieraspossible.Thisapproachisn抰new,buttheywinadditionalvaluebyshiftingcostsandriskstosuppliers.Sourcersdon抰careabouttheeffectthislineofattackmighthaveonrelationships:thegoalistograbvalue.Knowledgeisthesecondimportantweaponofthesourcers,whounderstandtheirowneconomicsandthetotalcostofusingproductsorservicesand,nolessimportant,theeconomicsandofferingsoftheirkeysuppliers梠ftenbetterthanthesuppliersdo.Why?Becausesourcerssystematicallyaggregatealloftheavailableinformationfromtheirownorganizations,othersuppliers,trademagazines,othercustomers(legally,throughconsortiums),industryexperts,andthelike.Meanwhile,theinformationthatsuppliershaveaboutthemselvesliesinvariousfunctionsandITsystemsandusuallyhasn抰beenpulledtogether.Sourcersthereforehaveintimateknowledgeoftheeconomicimpactoftheiroptions(forexample,thecostofswitchingsuppliers),sotheycangenerallydecideontheirsourcingstrategiesandpinpointacceptabletrade-offsbeforetheyevenstartdiscussionswithsuppliers.Sourcers,forexample,typicallyshiftcostssuchasfreight,storage,and...