随着我国粮食流通体制改革的不断演进,市场调节功能不断增强,粮食价格已成为粮食生产和市场经营的主要风险。粮食价格受市场供需、生产成本、价格制度、通货膨胀等因素影响,呈现周期性波动。改革开放以来,我国的商品价格和经济周期之间存在着一定的相关性,商品价 With the continuous evolution of the reform of the grain circulation system in our country, the regulatory function of the market has been continuously enhanced. The price of grain has become the major risk in grain production and market operation. Affected by factors such as market supply and demand, production cost, price system and inflation, grain prices fluctuate cyclically. Since the reform and opening up, there is a certain correlation between the commodity price and the economic cycle in our country. The commodity price