Sustainability in the supply chain means considering environmental, social, and economic practices. Conventional data envelopment analysis (DEA) models deal with desirable, discretionary, and nonnegative data. However, there might be undesirable outputs, nondiscretionary factors, and negative data. On the other hand, some criteria can be considered as outputs and inputs. These factors are named as the dual-role criteria. The objective of this paper is to develop a non-radial DEA model for dealing with negative data in the presence of undesirable, non-discretionary, and dual-role factors in weight restrictions context. The ordinal regression method, UTASTAR, is performed to define priorities in terms of criteria. The capabilities of the proposed method are compared with other methods. A case study is presented in which the best sustainable suppliers of SAPCO are selected. To check the importance of dual-role variables, two extra cases are considered.
CITATION STYLE
Izadikhah, M., Saen, R. F., & Ehsanifar, M. (2022). A Modified-Range Directional Measure for Assessing the Sustainability of Suppliers by DEA/UTASTAR. Journal of Global Information Management, 30(8), 1–38. https://doi.org/10.4018/jgim.298679
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