Nowadays, customer attitudes focus on sustainability of the products/services regarding environmental, social and economic aspects. In this study, we propose a product-based framework for sustainable supplier sourcing in SCM, which considers sustainability, operational and organizational criteria in terms of the outsourced product. We develop a flexible cross efficiency evaluation DEA for effectively discriminating suppliers along with using fuzzy sets to tackle the vagueness information.
Haji Mirza Hossein Khoshnevis, P., Agrell, P. J., Blome, C., & Hatami-Marbini, A. (2014). A framework for a sustainable sourcing: A flexible cross efficiency evaluation in fuzzy DEA. 2014 Informs Annual Meeting, San Francisco, California, USA. https://hdl.handle.net/2078.5/187855