Study On The Relation Between GDP,Electricity Consumption And Freight Volume In China

To analyze the relationship between the GDP,electricity and freight volume in 1980 to 2013.Using statistical methods to explain the 3 factors increasing rate of decline phenomenon and describe their mutual relations in detail.There are two mainly views in this article.One hand,to examine the relationship between GDP,electricity and freight volume macroscopically by using both autocorrelation and error correction model.To analyze and predict the next few years' data.On the other hand,using the high percentage decompositions of the 3 factors as variables to study the GDP structural changes.