A multi-objective decision-making model for supplier selection considering transport discounts and supplier capacity constraints

<p style='text-indent:20px;'>The present study considers the transport discounts and capacity constraints for suppliers manufacturers simultaneously to provide a multi-objective decision-making model supplier selection on three-level supply chain. For this purpose, it begins with presenting nonlinear mixed-integer of problem, where objectives include minimization logistics costs lead time. Subsequently, NSGA-Ⅱ algorithm is developed solve large-scale problem optimize two achieve Pareto-optimal solutions. To test efficiency proposed algorithm, several synthetic examples various sizes are then generated solved. Finally, paper compares performance metaheuristic augmented epsilon-constraint method. In summary, findings provided researchers industries easily access cohesive considering transportation that essential solution many real-world challenging issues.</p>