Volume 4, Issue 2 (November 2009)                   IJMSI 2009, 4(2): 33-48 | Back to browse issues page

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Aslani G, Momeni-Masuleh S H, Malek A, Ghorbani F. Bank efficiency evaluation using a neural network-DEA method. IJMSI 2009; 4 (2) :33-48
URL: http://ijmsi.ir/article-1-89-en.html

In the present time, evaluating the performance of banks is one of the important subjects for societies and the bank managers who want to expand the scope of their operation. One of the non-parametric approaches for evaluating efficiency is data envelopment analysis(DEA). By a mathematical programming model, DEA provides an estimation of efficiency surfaces. A major problem faced by DEA is that the frontier calculated by DEA may be slightly distorted if the data is affected by statistical noises. In recent years, using the neural networks is a powerful non-parametric approach for modeling the nonlinear relations in a wide variety of decision making applications. The radial basis function neural networks (RBFNN) have proved significantly beneficial in the evaluation and assessment of complex systems. Clustering is a method by which a large set of data is grouped into clusters of smaller sets of similar data. In this paper, we proposed RBFNN with the K-means clustering method for the efficiency evaluation of a large set of branches for an Iranian bank. This approach leads to an appropriate classification of branches. The results are compared with the conventional DEA results. It is shown that, using the hybrid learning method, the weights of the neural network are convergent.

Type of Study: Research paper | Subject: General

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