A new approach for considering a dual-role factor in supplier selection problem
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This paper addresses the problem of a factor in supplier selection analysis which may be classified either an input or an output. The quantity of such a factor may influence the relative efficiency of the Suppliers. Despite the fact that there are several publications addressing dual-role factors, it seems that their idea of classifying a factor as an input or an output within a single model cannot consider the causality relationships between inputs and outputs. A simple approach is proposed to resolve this limitation and to consider dual-role factor as well. A numerical example demonstrates the application of the proposed approach in supplier selection context.
International Journal of Academic Research
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Logistics and Supply Chain Management