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中文摘要：
通过建立两阶段动态模型研究了价格和需求变动产品的供应链协调问题。首先建立了集中协调、分散无协调和分散收入共享协调三种模式下供应链的动态规划模型；证明价格和需求变动时供应链在不同模式下存在最优解，应用改进的收入共享契约可以协调供应链系统并取得集中协调供应链系统的绩效，并可实现供应链利润的任意分配；给出了协调契约参数的确定方法；讨论了价格、市场需求风险变化对供应链协调绩效及最优契约参数的影响；通过数值实验分析证明了改进的收入共享契约可以使系统各方共同承担风险及分享利润，使各方绩效达到Pareto最优。
英文摘要：
This paper studies supply chain coordination issue for product with different price and demand in two stages. Firstly, we establish dynamic models for centralized coordination, decentralized without coordination and decentralized with coordination supply chain system respectively. Secondly, we prove that there exists best solution in the different models, and an improved revenue sharing contract can achieve the performance as the centralized one and allocate supply chain profit arbitrarily among retailer and supplier. Then the method to find the optimal contract parameter after given the scheme to allocate the coordination profit is presented. Lastly, we analyze the effect of different price and demand in two stages on supply chain performance and contract parameter. Numerical illustration indicates that the improved revenue sharing contract makes the supplier and retailer share the market risk and system profit, and achieve Pareto promotion.
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