研究表明：如果上、下游企业进行两阶段动态博弈，该契约不会是一个子博弈精炼纳什均衡。
It is shown that, if the upstream and downstream firms play two-stage dynamic game, the contract is not a perfect Nash equilibrium.
泽尔腾是一个精炼纳什均衡概念用以分析动态策略互动行为的。
Reinhard Selten was the first to refine the Nash equilibrium concept for analyzing dynamic strategic interaction.
模型分析得出：调货前期各零售商的销售信息更新对其最优调货价格和调货量均有影响，且零售商间动态协调调货行为存在纯纳什均衡。
Results show that the demand information updating has influence on the optimal transshipment price and quantities. There is dynamic pure Nash equilibrium on the transshipment behavior.
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