Green supplier evaluation and selection using fuzzy multi-criteria decision making in Thai tire rubber industry

Srinual, Napat and Mehnen, Jorn and Sinrat, Sittichok (2019) Green supplier evaluation and selection using fuzzy multi-criteria decision making in Thai tire rubber industry. In: NEUNIC 2019, 6th National and International Conference 2019 on “Educational Innovation for Sustainable Society Development”, 2019-07-20 - 2019-07-20, Northeastern University, Muang District, Khon Kaen Province. (http://neunic2019.neu.ac.th)

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Abstract

Due to the challenges in increasing environmental consciousness, green supplier evaluation and selection has become an emerging issue. The objective of this paper is to propose a method for the evaluation and selection of green suppliers through an example in the Thai tire rubber industry. This study identifies seven key environmental criteria for assessing and selecting green suppliers in industry and introduces a successful implementation of Green supply chain management practices (GSCMP). The criteria have been sourced through extensive literature research and interviews with ten practicing industrial experts. The proposed methodology uses a Fuzzy Analytic Hierarchy Process (Fuzzy AHP) framework to weight the criteria and select the supplier with the best set of environmental performances. The fuzzy approach was chosen to accommodate the typical vagueness and subjectivity in any typical expert decision-making process. The real-world case study discusses the application of the method with three alternative suppliers in the tire rubber industry. The findings show that Environmental standard certification, Green technology capability and pollution reduction capability can be identified as the first three most relevant criteria in the ranking of selection of green suppliers. To evaluate the proposed framework a case example of tire rubber manufacturing is selected. Results is depicted that supplier "S2" got the highest rank of candidate suppliers in overall criteria of study.

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