Efficiency Measurement and Influencing Factors of Listed Banks-Based on Super Efficiency DEA

Using the financial data of 2006-2015 year. Selecting sixteen listed banks in China and use the CCR and BCC model to measure the technical efficiency and pure technical efficiency and scale efficiency of banks. On that basis using super efficiency DEA method to analyze further between efficient decision making units of listed banks. The results showed firstly, the average technical efficiency of four major state-owned banks showed U-Curve variation tendency in the past 10 years and lower than the average level of other joint-stock banks, Secondly, according to analyze further, we can find scale inefficiency mainly caused the technical inefficiency. It is a remarkable fact that more than four major state-owned banks even some other joint-stock banks have also appeared the trend of scale inefficiency in recent years, According to analyze further between efficient decision making units, we found that the Bank of Beijing Co. , Ltd, Industrial Bank Co. , Ltd and China Merchants Bank were ranked the top three and their efficiency value all greater than 1, comparing with the the other joint-stock banks efficiency, four major state-owned banks still have not a small gap, the state-owned commercial banks need great improvement in efficiency.