3、thedemandinformationcausesgrowingfluctuations.Thebullwhipeffectcausesmuchloss in the supplychain:itmisleads theproductionplan,leadsto excessive inventoryinvestment, reducesearnings, reducesthelevelofservice,andcausesinvalidtransportandsoon.Becausetheinherentcharacteristicsof thestructure of t
4、he supplychainleadthebullwhipeffect,soitcannotbeeliminated.So weaken the bullwhipasmuchaspossibleisthekeyofimproving the efficiency of theentiresupplychain,andachieving the goal of supplychainmanagement.Firstly,thepapermakesasystematicanalysisofthemechanism of the bullwhipeffect in supplychai
5、nmanagementbyamethodofqualitativeanalysis.Then underconditionsoftheinformationsharing,itusestheregression analysis to analyze the specificcase,andfocusesontheleadtime’sinfluencetothebullwhip.Atlastthepaper proposesthemethodsandmeasurestoweak the bullwhip.Keywords: bullwhipeffect;supplychain;r