Author/Authors :
Vaez-Ghasemi, M. Department of Mathematics - Rasht Branch, Islamic Azad University, Rasht, Iran , Moghaddas, Z. Department of Mathematics - Qazvin Branch, Islamic Azad University, Qazvin, Iran , Rahmani, B. Department of Mathematics - Central Tehran Branch, Islamic Azad University, Tehran, Iran
Abstract :
In this paper using DEA technique, four-stage DEA model mooted in order to consider the situation in which returned products exist. Returned products are the inputs of the previous sub-processes that need to be reprocessed due to existence of flaws. Here, a supply chain with four stages as supplier, manufacture, distributor, and retailer with intermediate and return products has been considered and a DEA model formulated for performance analysis.
Keywords :
Efficiency , returned products , Multi-component Decision making unit , Data Envelopment Analysis , Supply chain
