Nguyen, H.N.; Rainwater, C.E.; Mason, S.J.; Pohl, E.A. - In: Transportation Research Part E: Logistics and … 66 (2014) C, pp. 66-82
We study an integrated quantity discount and vehicle routing problem where truck utilization is increased by building multi-stop routes and increasing order sizes through a purchase incentive. We model the problem and prove it to be NP-hard. Our experiments show that commercial solvers do not...