3、ere.Thetrendsofresearchingonbull-whipeffectfromtheexpertsinlandandoverseashavebeensummarizedandbull-whipeffectofmultilevelsupply-chainwithmulti-membershasbeenanalyzed.Thefactorsthataffectbull-whipeffectinmodelinghavebeenreformedinordertosearchcautionindexinbull-whipeffect. Ke