Based on the time series of grain production in China from 1950 to 2006,this paper analyses the effect of grain price on the acreage of Grain using C-D production function;and then demonstrates the dynamic effect of price fluctuation on the acreage under grain by the Cobweb Theorem.

From the general equilibrium of grain production sector and non-grain production sector,qualitatively analyze the reaction of grain price,grain output and the use of production factor to the aggregate demand shock and presents an explanation of the relation between grain price,production and the aggregate demand fluctuation.

The issue of grain price is one of the vital issues in new rural construction.

Study on Food Price in Disastrous and Famished Period in Modern Hunan;

In Deng Zi-hui view,the instability of the food price would do harm to the economy in the Soviet Base in west Fujian.

This paper builds three new game models of price decision systems in oligopoly market and figures out equilibrium results of them.

An effective price formation mechanism is the key to the construction of emissions rights trading system.

We should keep reform of the investment and financing mechanism, operation mechanism and price formation mechanism based on China\'s national conditions, so as to enable the potential of China\'s environmental protection industry into a real economic strength and industrial competitiveness.