The DEA Analysis of Productive Efficiency of Securities Companies in China
用数据包络分析研究了2005和2006年42家中国证券公司的生产效率，发现生产效率、纯技术效率和规模效率均较低，全要素生产率因技术进步而上升，但受生产效率下降影响。
This paper empirically analyzes the productive efficiency of 42 securities companies of China in the years of 2005 and 2006 by using Data Envelopment Analysis.It finds that the productive efficiency,pure tech- nical efficiency and scale efficiency of the securities companies were on the low level in the years of 2005 and 2006.It points out that the total factor productivity,which is represented by Malmquist productivity index,of securities companies is increasing because the technical progress is increasing.However,the further increasing of the total factor productivity is affected by the decreasing of the productive efficiency.Meanwhile,this paper provides some suggestions for improving the productive efficiency in order to help the securities companies of China solve the existing and developing problems.