Including Sustainability Strategy For Supplier Selection And Evaluating Selection Criteria With Fuzzy AHP

Businesses in an effort to create a sustainable supply chain try to make their production processes the least harmful to the environment. In that way, they expect the companies that they supply raw materials, semi-finished products and other materials used in production, which directly affect the production process, to be sensitive to the environment. For this reason, the first collaborative partners of companies that carry out sustainability studies are their suppliers. This makes supplier selection important. In the literature, basic criteria such as price, quality and performance are frequently encountered in supplier selection studies. In addition to these basic criteria, adding criteria for sustainability will strengthen the management strategy. The aim of this study is to create a guide for supplier evaluation that includes sustainability criteria. For this, in the first part of the study, supplier selection criteria are determined by considering the sustainability strategy. In the second part, the order of importance of these criteria is calculated. Taking into the sustainability report of the company, three new sustainability criteria that the business finds important were determined as "supplier's sustainability score", "CO2 emissions in the supply process", "supplier's level of working with sustainable suppliers". according to the business strategy, Eight supplier criteria were weighted with the fuzzy AHP method. It is seen that the company attaches importance to sustainability studies at the beginning level in supplier evaluation.

Keywords:

Sustainable Supply, Fuzzy AHP, Supplier Selection, Sustainable Inbound Logistics Decision Making.,

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