Generalized Weber Model for Hub Location of Air Cargo

摘要：

Many of air cargo companies adapt the hub-and-spokes system where economies of scale exist in the transportation cost. In this paper, we formulate economies of scale using nonlinear cost function of distances and demands, and analyze how the change of the transportation cost affects single hub location of air cargo using the generalized Weber problem on the regular demand points of one and two-dimensional region and the actual location of airport in East Asia. The optimal location will move to the largest demand points as the economies of scale in distances become larger or the economies of scale in demands become smaller. We confirm economies of scale in both distances and demands from the parameters estimated by the actual transportation cost in East Asia and find the optimal hub location of air cargo.

关键词： Hub location Weber problem Air cargo Transportation cost Economies of scale

作者: Daisuke Watanabe Takahiro Majima Keiki Takadama Mitujiro Katuhara

作者单位: Tokyo University of Marine Science and Technology, Tokyo,Japan National Maritime Research Institute, Tokyo, Japan The University of Electro-Communications, Tokyo, Japan

会议类型: 国际会议

会议名称: The 8th International Symposium on Operations Research and Its Applications(第八届运筹及其应用国际专题讨论会 ISORA09)

会议地点: 张家界

会议语种:英文

页码: 124-131

在线出版日期: 2009-09-20（万方平台首次上网日期，不代表论文的发表时间）