确保粮食市场价格稳定是世界各国粮食政策追求的主要目标之一。中国也不例外。为了达到稳定国内粮食市场和价格目的 ,多数发展中国家采取了干预粮食生产、流通和贸易等政策措施。而这些措施的实施效果则取决于各国的制度背景、政策目标和运作方式等。１９７８年以来 ,以市场为 Ensuring the stability of the grain market is one of the main goals of the world’s food policy. China is no exception. In order to stabilize the domestic grain market and price purposes, most developing countries have adopted policies and measures to intervene in food production, circulation and trade. The effectiveness of these measures depends on the institutional background of each country, the policy objectives and mode of operation. Since 1978, the market