考虑提前压期缩的Newsvendor型产品供应链契约协调模型 本期目录 >>
Title: The coordination of supply chain contract for newsvendor-type products with lead-time compression
作者 方新;蹇明;靳留乾;周亚军
Author(s): FANG Xin; JIAN Ming; JIN Liu-qian; ZHOU Ya-jun
摘要: 时间管理是增强供应链竞争的优势之一,基于时间竞争的供应链管理核心在于提前期压缩。本文将提前压缩期视为可控决策变量,将生产成本结构和市场需求的预测结构设定是关于提前压缩期的一般性范式函数关系,建立了考虑提前压缩期的Newsvendor型产品供应链系统协调模型。在一般性范式函数下的研究剔除了具体函数类型对问题的干扰,使得结论更具普遍性,更能突出提前压缩期的变动对供应链系统的最优决策和协调性的影响。文章首先证明考虑提前压缩期时集中供应链系统最优决策的存在性,并给出最优提前压缩期的求解方法和具体函数表达式;然后以回购契约和收益共享契约作为供应链管理的激励机制,讨论在考虑提前压缩期时,这两类契约对分散供应链系统的协调性。研究结果表明:回购契约和收益共享契约均可以协调供应链系统,但协调性受限于供应商的单位批发价格结构、单位生产成本结构以及零售商关于市场需求预测结构;最后通过数值分析验证文章结论的有效性,并对比分析回购契约与收益共享契约的等价性。
Abstract: Time management is one of important sources to gain competitive advantage for the supply chain, and the core of supply chain management based on time competition depends on the lead-time compression. However, the lead-time compression leads to the trade-off for supply chain members. Lead time impacts the prediction accuracy of the market random demand from the perspective of retailer, and the prediction error is smaller when the lead-time compression is longer. The revenue through reducing prediction error is undesirable for the supplier. Meanwhile, the extension of the lead-time compression has a higher requirement for the supplier’s production, which will cause crash cost. In order to solve the above trade-off, we perceive lead time as a controllable decision variable and then establish a supply chain system coordination model for Newsvendor-type products with lead-time compression where the supplier’s production cost structure and the retailer’s demand forecasting structure are the general paradigm function relations with respect to lead-time compression. Under these general paradigm function without the impacts of the specific function types, our conclusion is more universal and fairly highlight the effect of coordination with lead-time-compression for the supply chain system. We choose the buy-back contract and revenue sharing contract as the research mechanism based on three reasons. First, some scholars point that the buy-back contract cannot coordinate the supply chain system considering lead-time compression. Second, the buy-back contract and revenue sharing contract are common in real economic activities, which has universal application to investigate them. Third, Cachon(2003) indicates that the buy-back contract and revenue sharing contract is equivalent under the traditional Newsvendor environment, and we discuss whether this equivalency is established when considering lead-time compression. First of all, we have proved the existence of the optimal decision of the integrate supply chain with lead-time compression which taking the optimal decision of integrate supply chain as the game benchmark of decentralized supply chain, and provided the method to solve the optimal lead-time compression and specific function. Then we have discussed the coordination of buy-back contract and revenue sharing contract under the decentralized supply chain. The results shows that the buy-back contract and revenue sharing contract can coordinate the supply chain system with lead-time compression when comparing with the fixed order lead time, but its coordination is limited by the supplier’s wholesale price structure, unit cost structure and the retailer’s demand forecasting structure. Finally, the numerical analysis is given to demonstrate the conclusion, and then we comparative analysis the equivalent of buy-back contract and revenue sharing contract. We find that the buy-back contract and revenue sharing contract isn't equivalent when considering lead-time compression through numerical analysis, which can corroborate some economic phenomenon: the buy-back contract is commonly used in apparels industry, and revenue sharing contract is originated from video rental market.
关键词: 时间管理;;提前压缩期;;Newsvendor型产品;;回购契约&收益共享契约;;供应链协调
Keywords: Time management;; Lead time compression;; Newsvendor-type production;; Buy-back&Revenue sharing contract; ; Supply chain coordination
基金项目: 企业家社会责任与公司治理绩效的关系研究;基于格值逻辑的α-锁归结于α-锁调解自动推理;中央高校基本科研业务费专项资金资助项目;基于四川省生产制造产业供应链契约最优化及其稳定性研究
发表期数: 2017年 第3期
中图分类号: 文献标识码: 文章编号:
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