油价与粮价关联性的微观分析

2008年以来，国际粮食市场价格大幅度的上涨，对整个世界特别是贫穷的国家和人口产生了巨大的影响。粮食大幅上涨的主要原因何在，成为人们普遍关心的焦点问题。运用经济学的基本原理，可以揭示出油价上涨导致粮价上涨的内在微观机理，并据此提出让市场充分发挥作用是平抑粮价的根本性机制。

Micro-analysis of relevance between oil price and grain price

Since 2008, international grain market price has been rising on a large scale, which has huge influences on the entire world, especially the poor countries and the poor population. More and more attention has been paid to the reasons for the rising grain price on a large scale as a key problem. This article utilizes the basic principles of economics to disclose the intrinsic microscopic mechanism in which the oil price rise causes the grain price to rise. On such a basis, it proposes that full display of the market function is the fundamental mechanism of bringing down the grain price.