| Information Sharing in a Multi-Echelon Inventory System |
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| 作者姓名： | 赵晓波 裘民民 |
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| 作者单位： | Department of Industrial Engineering Tsinghua University，Department of Industrial Engineering Tsinghua University，Beijing 100084 China，Beijing 100084 China |
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| 摘 要： | The influence of different information sharing scenarios in a single supplier-single retailer supply chain is analyzed. The five information sharing scenarios are centralized information sharing, full information sharing, supplier-dominated information sharing, retailer-dominated information sharing, and non- information sharing. Iterative procedures are developed to obtain the inventory policies and the system costs at equilibrium points. Numerical examples show that the cost of a centralized inventory system is about 20% - 40% lower than that of a decentralized system with non-information sharing. Furthermore, a higher in- formation sharing level does not always lead to a lower system cost in a decentralized supply chain due to inventory competition.
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| 关 键 词： | 信息共享 存货估价 决策程序 工业管理 |
| 收稿时间： | 20 January 2006 |
| 修稿时间： | 2006-01-20 |
Information Sharing in a Multi-Echelon Inventory System |
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| ZHAO Xiaobo,QIU Minmin.Information Sharing in a Multi-Echelon Inventory System[J].Tsinghua Science and Technology,2007,12(4):466-474. |
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| Authors: | ZHAO Xiaobo QIU Minmin |
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| Institution: | Department of Industrial Engineering, Tsinghua University, Beijing 100084, China |
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| Abstract: | The influence of different information sharing scenarios in a single supplier-single retailer supply chain is analyzed. The five information sharing scenarios are centralized information sharing, full information sharing, supplier-dominated information sharing, retailer-dominated information sharing, and non-information sharing. Iterative procedures are developed to obtain the inventory policies and the system costs at equilibrium points. Numerical examples show that the cost of a centralized inventory system is about 20% - 40% lower than that of a decentralized system with non-information sharing. Furthermore, a higher information sharing level does not always lead to a lower system cost in a decentralized supply chain due to inventory competition. |
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| Keywords: | information sharing inventory ordering policy Markov decision process |
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