Since the policy of reform and opening up, the economy of Hubei Province is developing faster than before. The three major constitutents-consumption, investment and foreign trade-have improved greatly,which stimulated the development of national economy. This paper focuses on the relation of GDP,consumption,investment and exports guided by the principle of national income decision.We draw a distinction in the contribution to the national economy made by each components. Through the analysis we found out that the reform and opening up policy has a tremendous influence on Hubei's economic develo...
