As of 21st century, the terms of efficiency and productivity have become notions which dwells on both business and academic world more frequently compared to past. It is known that it is hard to increase the efficiency and productivity of both production and service systems. In this study, the efficiency analysis of the branches of a bank was conducted. Furthermore, a Weighted Stochastic Imprecise Data Envelopment Analysis (WSIDEA), which is a new approach developed based on Data Envelopment Analysis (DEA), was proposed. Efficiency levels and results of decision-making units were examined according to the proposed new method. Additionally, six different DEA model results are obtained. The results of the six different DEA model and the proposed “WSIDEA” model were compared in terms of efficiency level of decision-making units, and the differences between them were examined.
Sensitivity of the inefficient units were also examined. On the other hand, unrealistic efficiency levels created by traditional methods for branches were also analyzed. Apart from all these sensitivity analyses, the sensitivity of the data set used in the analysis is scrutinized.
Keywords: Data Envelopment Analysis, Banking, Weighted Stochastic Imprecise Data Envelopment Analysis, Sensitivity Analysis
@article{RO_2021__55_3_1559_0,
author = {Aydin, Nezir and Yurdakul, G\"okhan},
title = {Analyzing the efficiency of bank branches \protect\emph{via} novel weighted stochastic imprecise data envelopment analysis},
journal = {RAIRO. Operations Research},
pages = {1559--1578},
year = {2021},
publisher = {EDP-Sciences},
volume = {55},
number = {3},
doi = {10.1051/ro/2021067},
mrnumber = {4270856},
zbl = {1471.91628},
language = {en},
url = {https://www.numdam.org/articles/10.1051/ro/2021067/}
}
TY - JOUR AU - Aydin, Nezir AU - Yurdakul, Gökhan TI - Analyzing the efficiency of bank branches via novel weighted stochastic imprecise data envelopment analysis JO - RAIRO. Operations Research PY - 2021 SP - 1559 EP - 1578 VL - 55 IS - 3 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/ro/2021067/ DO - 10.1051/ro/2021067 LA - en ID - RO_2021__55_3_1559_0 ER -
%0 Journal Article %A Aydin, Nezir %A Yurdakul, Gökhan %T Analyzing the efficiency of bank branches via novel weighted stochastic imprecise data envelopment analysis %J RAIRO. Operations Research %D 2021 %P 1559-1578 %V 55 %N 3 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/ro/2021067/ %R 10.1051/ro/2021067 %G en %F RO_2021__55_3_1559_0
Aydin, Nezir; Yurdakul, Gökhan. Analyzing the efficiency of bank branches via novel weighted stochastic imprecise data envelopment analysis. RAIRO. Operations Research, Tome 55 (2021) no. 3, pp. 1559-1578. doi: 10.1051/ro/2021067
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