3、tudytheeffectofinteractionsamongproductsonthecompensationplan. The settingoftheoptimalcommissionratesacrossproductsunderdifferentsaleinteractionconditionsisdiscussed,andthefeaturesofthEirrelationshipsamongtheproductsarederived,fromwhichsomeinstructive
4、conclusionsaredrawn.ThedesignofproductcommissionratesofprimeproductandbyproductaccordingtothEIrdifferentphasesinproductlifecycle when thefirmtakeslongtermprofitintoaccountisalsodiscussed. Keywords:businessmanagement;compensationplan;agencytheory;salei