IEEE Computational Science & Engineering
A Joint Location-Inventory Model
Transportation Science
Warehouse-Retailer Network Design Problem
Operations Research
Inventory lot-sizing with supplier selection
Computers and Operations Research
Stochastic Transportation-Inventory Network Design Problem
Operations Research
Supplier selection and order lot sizing modeling: A review
Computers and Operations Research
Trade-offs Between Customer Service and Cost in Integrated Supply Chain Design
Manufacturing & Service Operations Management
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We examine a generalized vendor selection problem of a multi-store firm where the goal is the simultaneous determination of (i) the set of vendors the firm should work with and (ii) how much each store should order from the selected vendors. In addition to the typical costs associated with vendor selection and delivery between the vendors and their assigned stores, we explicitly consider the inventory-related costs and decisions of the stores. We emphasize the relationship between facility location applications and the problem at hand, and we propose an integrated vendor selection and inventory optimization model. Also, arguing that our model creates a venue for precise incorporation of realistic capacity constraints, we model throughput and dispatch capacities, explicitly. The model is a challenging mixed integer nonlinear program for which we propose an efficient solution approach that relies on Generalized Benders Decomposition (GBD).