Cost-efficiency under inter-temporal dependence

Khosro Soleimani-Chamkhorami () and Saeid Ghobadi
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Khosro Soleimani-Chamkhorami: Islamic Azad university
Saeid Ghobadi: Islamic Azad University

Annals of Operations Research, 2021, vol. 302, issue 1, No 12, 289-312

Abstract: Abstract One method for evaluating cost-efficiency of commercial firms is data envelopment analysis. In the real world, data have a time dependency that also affects the cost-efficiency calculation. This article introduces a new model for measuring cost-efficiency under inter-temporal dependency in an assessment window. In the proposed approach, there is a reserve capital for the assessment window that is considered as the input of this period, and at any time of the window, a certain amount of capital is used. For practical application, the proposed model is applied to a real dataset of branches of an Iranian commercial bank to evaluate cost-efficiency under inter-temporal dependency.

Keywords: Data envelopment analysis; Inter-temporal dependence; Cost efficiency; Revenue efficiency (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s10479-021-03989-2

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