| 郑少锋,尹小蒙.基于X-效率角度的我国商业银行多元化分析[J].数量经济技术经济研究,2013,30(7):81-97 |
| 基于X-效率角度的我国商业银行多元化分析 |
| Analyzing the Diversification of Chinese Commercial Banks from the View of X-efficiency |
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| DOI： |
| 中文关键词: 商业银行 多元化 X-效率 |
| 英文关键词: Commercial Bank Diversification X-Efficiency |
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| 中文摘要: |
| 运用熵方法和随机前沿法精确测度银行多元化和X-效率，建立银行效率与其影响因素多元回归模型，以分析1996~2011年我国商业银行多元化对银行效率的影响。研究发现，我国商业银行多元经历了逐步深化、快速下滑和低水平震荡三阶段，其对银行X-效率有显著地正向影响，一定程度支持“多元溢价”的观点；多元化程度下降是造成银行利润效率快速下滑的最主要原因。深化多元化程度是提高当前我国商业银行效率最为有效、可行的途径。 |
| 英文摘要: |
| This paper estimates the diversification and X-efficiency of Chinese commercial banks from 1996 to 2011 by using the Entropy Measure and Stochastic Frontier Approach (SFA) and then analyzes the influence of the former on the latter through a multiple regression model. We find that Chinese commercial banks have gone through three stages of diversification, such as the gradual promotion, sudden decline and fluctuation around low lever. The diversification has a significantly positive influence on X-efficiency and the decline of diversification reduced the profit efficiency mostly. Intensifying the degree of diversification is the most effective and feasible approach to enhance the efficiency of Chinese commercial banks. |
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