Weak Disposability of Input and Output in a Nonparametric Production Analysis
Publish place: Iranian Economic Review Journal، Vol: 25، Issue: 3
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IER-25-3_012
تاریخ نمایه سازی: 21 مهر 1402
Abstract:
In some production processes, unlike traditional data envelopment analysis (DEA), decision-making units (DMUs) consume widely used inputs since increasing them is more favorable for improving efficiency. Plastic wastes and rotten fruits are two instances of widely used inputs for recycling factories. In this paper, weak disposability of inputs will be presented with non-uniform profit factors for inputs, and then the model will be extended to cases that consume normal and widely used inputs, and produce desirable and undesirable outputs, simultaneously. Due to the nonlinear form of the final model, a linearization method is presented to provide a linear structure of the technology. A directional distance function approach, including weakly disposable inputs and outputs, is introduced to deal with widely used inputs and undesirable outputs. Finally, the approach will be tested by applying it to some domestic sewage treatment plants in China. Results show the proposed approach can discriminate between DMUs in a rational way and with less computational effort and also it can be used for the efficiency analysis when widely used inputs and undesirable outputs are presented.
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Authors
Sohrab Kordrostami
Department of Mathematics, Lahijan Branch of Islamic Azad University, Lahijan, Iran
Alireza Amirteimoori
Department of Applied Mathematics, Rasht Branch of Islamic Azad University, Rasht, Iran
Fateme Seihani Parashkouh
Department of Mathematics, Lahijan Branch of Islamic Azad University, Lahijan, Iran
Morassa Mahboubi
Department of Mathematics, Lahijan Branch of Islamic Azad University, Lahijan, Iran
Monireh Jahani Sayyad Noveiri
Department of Mathematics, Lahijan Branch of Islamic Azad University, Lahijan, Iran
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