How to prompt the supply chain system to resume its normal operation quickly and effectively after the disturbance of the emergency has become a problem to be solved. This article takes short life cycle products as the research object, considering the existence of B2B electronics market, and introduces bidirectional option contract. Through model construction and numerical analysis, the optimal decision of supply chain members under emergencies is studied. The change of contract parameters and the influence of market demand fluctuation on the optimal expectation profit of member enterprises are examined. The results show that the combination of two option and B2B electronic market can effectively cope with the fluctuation of demand caused by unexpected events.%为解决供应链系统在受到突发事件的扰动后快速有效地恢复正常运营问题,以短生命周期产品为研究对象,在传统供应链和B2B电子市场共存的情况下,引入双向期权契约,通过模型构建和数值分析,研究供应链成员企业在突发事件影响终端需求下的最优决策,并探讨契约参数的变动及市场需求波动对供应链成员企业最优期望利润的影响.研究表明,双向期权契约与B2B电子市场的结合可以有效应对突发事件引起的需求波动.
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