Empirical Analysis About Three Major Staple Food Price Volatility Of The Impact On Food Security

The international background of global economic integration,not only has the property of grain commodity attribute also has global public goods,food security is the material basis of national economic security.With the Chinese market economy deepening reform and the supply side of the transformation and upgrading of industrial structure,attach importance to food price stability,ensure food safety,promoting food industrialization,modernization of the national economy and strategic security is of great significance.In recent years,China's grain output has increased by 10 years,the price of food has been reduced,and the cost of food has been increasing.Food safety is manifested as for the grain price fluctuation,the price fluctuation of the three major staple food(corn,wheat,rice)is representative.The theoretical basis includes the law of value,the principle of supply and demand of market economy and the law of competition.The facts on the basis of price fluctuations in the source of the three major staple food representative,the three major staple food production and food accounted for more than 90% of the total production,the three major staple food planting area and production area has a natural advantage.Through the study of the three major staple food price volatility impact on food security transmission mechanism,namely the price of grain varieties between the transmission mechanism,the three major staple food price volatility transmission mechanism on Grain Yield and three staple food price fluctuations on grain reserves.Construction of food safety evaluation index system,including food price security,food security and food security.Influence evaluation of three major staple food production price index for food security,adopt empirical entropy method to test.Test results show that the volatility will be three staple food prices caused bythe impact on food security,and the obvious weight of strategic security security and food grain supply greatly.Therefore,it is very important to ensure the adequate supply of food and the support of the state finance.In the new economic era,we should promote the reform of the supply side of agriculture,implement the policy of agricultural products,such as "price supplement and separation" and so on,so as to enhance the international competitiveness of the food industry,so as to deepen the reform of the market.