中文摘要：

在随机需求环境下考虑两零售商间存在竞争的闭环供应链定价与协调问题，其中两个零售商各自面临不同的随机市场需求，并且各自的回收量都受到对方回收价格的影响。在集中决策和分散决策两种情形下分析了制造商和两零售商的定价决策问题，并运用收入费用共享契约实现了闭环供应链的协调。

英文摘要：

This paper studies the pricing and coordination problem of closed-loop supply chain considering two retailers competition under stochastic demand .In this model , two retailers face different stochastic demand respec-tively, and their own recycled quantity are influenced by the other＆#39;s recycling price .We analyze the pricing deci-sion of the manufacturer and the two retailers under two circumstances of centralized decision and decentralized decision , and realize the coordination of the closed-loop supply chain using revenue and expense sharing contract .