The Empirical Study of the Performance Evaluation of Regional Innovation in Liaoning Province based on DEA

In this article,we divide regional innovation into two stages,technological innovation and scientific innovation,filter out two-stage main indicators of innovation input and output by Principal Component Analysis Method; and then with a two-stage DEA model,we analyze the technical efficiency and economic efficiency of 14 cities in Liaoning Province. The results show that both the technology efficiency and economic efficiency are at a relatively low level and showing a declining trend year by year. Finally,based on the findings,make some policy recommendations such as strengthening personnel training system construction,promoting research cooperation and focusing on the construction of underdeveloped regions innovation.