RT Journal Article T1 A capacitated facility location model with bidirectional flows A1 Zhang, Zhi-Hai A1 Berenguer Falguera, Gemma A1 Shen, Zuo-Jun (Max) AB Supply chains with returned products are receiving increasing attention in the operations management community. The present paper studies a capacitated facility location model with bidirectional flows and a marginal value of time for returned products. The distribution system consists of a single supplier that provides one new product to a set of distribution centers (DCs), which then ships to the final retailers. While at the retailers' site, products can be shipped back to the supplier for reprocessing. Each DC is capacitated and handles stocks of new and/or returned products. The model is a nonlinear mixed-integer program that optimizes DC location and allocation between retailers and DCs. We show that it can be converted to a conic quadratic program that can be efficiently solved. Some valid inequalities are added to the program to improve computational efficiency. We conclude by reporting numerical experiments that reveal some interesting properties of the model. PB INFORMS SN 0041-1655 YR 2015 FD 2015-02-01 LK https://hdl.handle.net/10016/35230 UL https://hdl.handle.net/10016/35230 LA eng DS e-Archivo RD 27 jul. 2024