作者:Rajapakshe, Tharanga; Dawande, Milind; Gavirneni, Srinagesh; Sriskandarajah, Chelliah; Panchalavarapu, P. Rao
作者单位:State University System of Florida; University of Florida; University of Texas System; University of Texas Dallas; Cornell University; Texas A&M University System; Texas A&M University College Station; Mays Business School
摘要:A dedicated subnetwork (DSN) refers to a subset of lanes, with associated loads, in a shipper's transportation network, for which resourcestrucks, drivers, and other equipmentare exclusively assigned to accomplish shipping requirements. The resources assigned to a DSN are not shared with the rest of the shipper's network. Thus, a DSN is an autonomously operated subnetwork and, hence, can be subcontracted. We address a novel problem of extracting a DSN for outsourcing to one or more subcontract...
作者:Zhou, Sean X.; Chao, Xiuli
作者单位:Chinese University of Hong Kong; Chinese University of Hong Kong; University of Michigan System; University of Michigan
摘要:We consider a periodic-review inventory system with regular and expedited supply modes. The expedited supply is faster than the regular supply but incurs a higher cost. Demand for the product in each period is random and sensitive to its selling price. The firm determines its order quantity from each supply in each period as well as its selling price to maximize the expected total discounted profit over a finite or an infinite planning horizon. We show that, in each period if it is optimal to ...