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This study aims to discuss the long-term performance before and after the privatization of First Bank, Hua Nan Bank ,and Chang Hwa Bank from 1995 to 2009.
The Data Envelopment Analysis (DEA) was mainly applied to evaluate the change of performance before and after the privatization in this study. Furthermore, it indicated the inefficiency for the improvement of management through Slack Variable Analysis. At last, the author applied Malmquist index to discuss the change of productivity after the privatization.
The three results of this study are as fallows :
1. In general, three commercial banks operating performance was improved after privatization than before, but not significant. The reason comes from the inefficiency of scale.
2. The findings showed that there are over-invested on operating and interest expenses of those three commercial banks.
3. Finally, Malmquist index demonstrated that the amount of Total Factor Productivity of three commercial banks after privatization is lower than before. It could be caused from the technical change.