中文摘要：

考虑一个需求不确定环境下的两级供应链模型,商品具有单季销售的特征,分析了单供应商与多零售商之间的博弈情形。如供应商给予其中一个零售商一次提前订购机会、使其拥有两次订购机会时,供应链的竞争结构将发生变化,供应商可以据此进一步优化自身期望利润水平。运用逆向归纳法求得了博弈模型的子博弈精炼纳什均衡解,并进行了比较分析。

英文摘要：

Considering a two-echelon supply chain model under demand uncertainty and assuming the products are sold over a single selling season,we analyze the competition structure in a supply chain with one supplier and multiple retailers.We found out that when the supplier gives one retailer an extra chance to order products before the selling season,the competition form of the supply chain would change and the suppler can gain more profit.The equilibrium solutions of the models are gained through backward induction and the results are compared.