An Empirical Research On The Relationship Between Market Structure And Performance Of National Commercial Banking

21th century changes into the ages of marking with the financial globalization, liberalism and network. These characters at the time of most promoting the banking efficiency, also bringing the more destructive and inestimable financial risk. Weather the risk at new financial ages can be prevented effectively, and the bank can get the invincible position at the competition with local profession and abroad, the key is the bank performance. Now our country exist two disadvantages, one is the low state-owned bank profits level and the other is the inefficient deploy of financial resources, which are the two most important markings that measure the performance. And the bad performing is the concomitant of high monopolization market structure. Therefore, the research of the relativity between the market structure and bank performance makes the foundation to draw up the related financial policy.Before, the domestic research of the market structure and bank performance mostly apply " the"structure--behavior--performance" hypothesis, and construct a proper model on the basis of the Berger(1995) model, the regression suggest that we obtained supports neither MP hypothesis nor ES hypothesis ,and there is statistically significant relationship between the market structure and performance for Chinese banking industry. But this is a result violated with anticipant and nature.In recent years, along with the variety of competing environment and continuously embedded Chinese financial system reform, central bank and each commercial bank carried on a series of adjustment and the reform. From this point, this paper studies more comprehensive factors influence bank performance, and add the power structure to improve the model of Berger, the analysis regression suggest that the market structure can influence the performance, but this kind of influence work through power structure. The power structure accord with the market structure which can promote the effect of bank performance should be setup. The accordance in the reform is the most important.