按保护价敞开收购农民余粮是粮食流通体制改革的一项重要内容。这一政策自实施以来虽取得了一定的成效,但也存在一些突出问题,影响了这一政策预期效果的发挥。本文拟从经济学理论角度对 The open purchase of farmers’ surplus grain at the protection price is an important part of the reform of the grain circulation system. Although this policy has achieved some success since its implementation, some outstanding problems have also affected the expected effect of this policy. This article is from the economic theory point of view