Evidence And Trend Analysis Of China's Freight Development Of Related Industries

With the development and change of economic c and economic situation, accompanied with the transition from planned economy to market economy, the relationship between fright and economy get closer. In the "Eleventh five year "plan , china will have high speed development, also with faster revolution in the economic structure, so it is in great need of the study in the area of relationship between economic and freight.The main studying contents of this paper are as follows:(1) With the analysis of four Input-Output-tables from 1990-2000, study the freight demand from national economy from three different angle: the total input , the industry construction and the technical development , use numerical value tocompare influence of different factor.(2) Use PCA theory as expurgate method to reduce the number of mainproducts of national economy, to find out a simple aggregate of product which conclude most complete information with fewest number. Then use PCA to study the primary content which composed by the simple aggregate. Set up regress formulation of nine main products and freight index.(3) Discuss the fright develop situation during the period of "Eleventh five year" plan, analyze the basic economy trend of economy and industry development, then use the formulate set up by this paper to forecast the freight index. Based on all these study , consider the opportunity and challenge faced by the freight development in the future , give some advice to the development of freight industry.