Comparative Research about Economical Benefit of Manufacturing Industry among Jiangsu,Zhejiang and Shanghai ——Based on Factor Analysis

According to the newest statistics data,the paper measures the economical benefit of 29 manufacturing industries in Jiangsu,Zhejiang,Shanghai and the nation by using factor analysis of multivariate statistical analysis methods.The result shows that the economical benefit of Jiangsu' s manufacturing industry is higher than the average of nation' s,but Zhejiang and Shanghai' s are far lower than the nation' s.Comparing with the economical benefit of Zhejiang and Shanghai,Shanghai' s is slightly better than Zhejiang' s,so Zhejiang' s is the lowest among them.Based on the empirical analysis,the paper further studies the characteristics of economical benefit of manufacturing industry in the two provinces and one city.Finally,the paper proposes the adjustment direction of manufacturing industry structure in Jiangsu,Zhejiang and Shanghai' s at the economic development stage.