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| 基于订单采购模式的销售商在线采购策略 | |
| 引用本文： | 倪冠群,孔辛,刘强,王少华,郑斐峰.基于订单采购模式的销售商在线采购策略[J].运筹与管理,2011,20(3). |
| 作者姓名： | 倪冠群 孔辛 刘强 王少华 郑斐峰 |
| 作者单位： | 1. 西安交通大学管理学院,陕西西安,710049 2. 中邮人寿陕西分公司,陕西西安,710061 3. 西安秦华天然气有限公司,陕西西安,710075 4. 西北工业大学管理学院,陕西西安,710072 |
| 摘 要： | 对于按订单采购的销售商而言,采购成本和延误成本是影响总成本的主要因素,销售商需要采取适当的采购策略,权衡二者,以使总成本尽量小.文章首先给出了订单需求完全已知情况下的离线最优策略,并指出策略的计算复杂性为O(n2).其次,针对订单需求难以预测的情形,设计了相应的在线采购策略,证明了该策略的竞争比为2;同时,证明了该问题的竞争比下界为((√5)+1)/2＞1.618. |
| 关 键 词： | 采购管理 在线采购策略 竞争分析 订单采购模式 |
Online Purchasing Strategy for Order- Based Procurement |
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| NI Guan-qun,KONG Xin,LIU Qiang,WANG Shao-hua,ZHENG Fei-feng.Online Purchasing Strategy for Order- Based Procurement[J].Operations Research and Management Science,2011,20(3). | |
| Authors: | NI Guan-qun KONG Xin LIU Qiang WANG Shao-hua ZHENG Fei-feng |
| Institution: | NI Guan-qun1,KONG Xin2,LIU Qiang3,WANG Shao-hua4,ZHENG Fei-feng1(1.School of Management,Xi'an Jiaotong University 710049,China,2.China Post Life Insurance Company Limited Shannxi Branch,Xi'an 710061,3.Xi'an Qinhua Natural Gas Company,Xi'an 710075,CHina,4.School of Management,Northwestern Polytechnical University,Xi'an 710072,China) |
| Abstract: | In the mode of purchase to order,purchase cost and delay cost are interactive.Vendors need to choose appropriate purchase strategy to balance the two items in order to minimize the total cost.The paper first analyzes the offline case where the total information on order demands is known beforehand,and gives an optimal offline strategy with time complexity.It then discusses the online purchasing strategy for the online case where order demands are unpredictable.A 2-comptitive online strategy is proposed,and ... |
| Keywords: | purchasing management online purchasing strategy competitive analysis model of purchase-to-order |
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