The Analysis of the Validity of China´s Regional Investment in Fixed Assets Based on DEA Method

This paper makes an demonstration measure on the 31 provinces´ technical validity and scale efficiency of the fixed-asset investment by using the model of C²R and C²GS² of DEA. According to the results, the 31 provinces are divided into different types whose characteristics of fixed assets investment are pointed out and measures of improving the efficiency of investment are raised. Two conclusions have been given through demonstration analysis: First, there is a strong positive correlation between technical validity of the fixed assets and the level of economic development of each provinces. Second, each region should adjust measures to local conditions, take efficient measures to advance investment benefit.