Res earch o灶 rel at i ons hi p bet ween f ood pri ce vol at i l i t y and cons um erpri ce

Food i s f undament alt o mai nt ai n t he nor mall i f e ofr esi dent s,and i t s i mpacton consumer pr i ce cannotbe under est i mat ed.Because t he degr ee ofmar ketopeni ng ofdi f f er entgr ai n was i nconsi st entwi t h r esi dent s' s demand l evel s, t he ef f ect of pr i ce f l uct uat i ons of di f f er ent gr ai n on t he consumer pr i ce was di f f er ent .Thi s paper sel ect s cor n, wheat , soybeans and r i ce t o st udy t he r el at i onshi p bet ween f ood pr i ce vol at i l i t y and consumer pr i ce,uses t he met hod of VAR modeland var i ance anal ysi s t o i nvest i gat e t he cont r i but i on r at e and di f f er entr ol es on consumerpr i ces,t o get tt he pol i cy r ecommendat i onsaboutpr oduct i on and sal e ofdi f f er entki ndsofgr ai n.