An Integrated approach using VIKOR and ENTROPY methods for a Supplier selection problem

Choosing an appropriate supplier to meet demand is a common problem that most manufacturing enterprises have to face. Normally, manufacturer's behavior a performance evaluation on each supplier before a new product comes into production. As MCDM methods facilitates working with both qualitative and non-qualitative data these methods are aptly suitable for this supplier selection problem. Generally used evaluation methods depends on different characteristics of a good supplier as measurement parameters. In the present work four main criteria's are taken into consideration for evaluating supplier's performance, that is product quality, service quality, delivery time and price. ENTROPY is used to determine the relative criteria weights and VIKOR is used to rank the alternatives.