我国商业银行效率及影响因素研究——基于Malmquist指数分析

Determinants Study on Operational Efficiency of China's Commercial Banks on the Basis of Malmquist Index

基于Malmquist指数方法,以中国16家商业银行为研究对象,发现2006-2011年商业银行总体效率变化呈U型趋势,即先降后升,其中中型和小型股份制商业银行的经营效率高于大型国有商业银行.面板数据模型的实证结果发现,资产收益率、存贷比、资产费用率以及创新能力对商业银行效率有显著影响,其中资产收益率的影响系数最大.该研究政策含义在于:提高商业银行效率要从优化商业银行市场和资本配置以及推进商业银行的技术创新两个方面入手.

With Malmquist Index method, this paper finds overall efficiency of 16 China＇s commercial banks during 2006--2011 change trend is U type which may be affected by external market factors; small and me- dium-sized joint-stock commercial banks operating efficiency is higher than the state-owned commercial banks; through the econometric analysis of panel data model, asset returns, loan-to-deposit ratio, cost on assets and innovation ability has a significant influence on the efficiency of commercial banks, and the asset returns＇ influence coefficient is the maximum. Policy implications include that the commercial banks should change management ideas to optimize the market share and capital allocation, and enhance financial innova- tion.