A mixed integer bi-level DEA model for bank branch performance evaluation by Stackelberg approach

Authors

  • Hilda Saleh Department of Mathematics, Central Tehran Branch, Islamic Azad University, Tehran, Iran
  • Mehdi Ghaderi Department of Industrial Management, Shiraz Branch, Islamic Azad University, Shiraz, Iran
  • Morteza Shafiee Department of Industrial Management, Shiraz Branch, Islamic Azad University, Shiraz, Iran
Abstract:

One of the most complicated decision making problems for managers is the evaluation of bank performance, which involves various criteria. There are many studies about bank efficiency evaluation by network DEA in the literature review. These studies do not focus on multi-level network. Wu (Eur J Oper Res 207:856–864, 2010) proposed a bi-level structure for cost efficiency at the first time. In this model, multi-level programming and cost efficiency were used. He used a nonlinear programming to solve the model. In this paper, we have focused on multi-level structure and proposed a bi-level DEA model. We then used a liner programming to solve our model. In other hand, we significantly improved the way to achieve the optimum solution in comparison with the work by Wu (2010) by converting the NP-hard nonlinear programing into a mixed integer linear programming. This study uses a bi-level programming data envelopment analysis model that embodies internal structure with Stackelberg-game relationships to evaluate the performance of banking chain. The perspective of decentralized decisions is taken in this paper to cope with complex interactions in banking chain. The results derived from bi-level programming DEA can provide valuable insights and detailed information for managers to help them evaluate the performance of the banking chain as a whole using Stackelberg-game relationships. Finally, this model was applied in the Iranian bank to evaluate cost efficiency.

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Journal title

volume 12  issue 1

pages  -

publication date 2016-03-01

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