How to assess sustainability of suppliers in the presence of volume discount and negative data in data envelopment analysis?
Mohammad Izadikhah (),
Reza Farzipoor Saen () and
Razieh Roostaee ()
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Mohammad Izadikhah: Islamic Azad University
Reza Farzipoor Saen: Islamic Azad University
Razieh Roostaee: Islamic Azad University
Annals of Operations Research, 2018, vol. 269, issue 1, No 14, 267 pages
Abstract Supplier selection is an important decision-making problem in supply chain management. Selecting appropriate suppliers based on sustainability criteria including economic, environmental, and social criteria can help companies move toward sustainable development. Data envelopment analysis (DEA) is applied to recognize the most sustainable supplier. However, conventional DEA models can be applied only to performance measurement systems characterized by positive input–output data. However, in real world, data can be negative. We propose a new DEA model for evaluating sustainability of suppliers in presence of negative data and volume discounts. Also, we present a super-efficiency model for ranking suppliers. In addition, we prove some main properties of our proposed method. Finally, we present a case study to demonstrate applicability of proposed model.
Keywords: Sustainable supply chain management; Data envelopment analysis (DEA); Supplier selection; Super-efficiency; Volume discounts; Negative data (search for similar items in EconPapers)
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