Abstract: The course of signing”Constructive Acceleration Contract”is also the course of gaming among owner and contractor about the cost． The study of this paper is based on their game strategies and bring forward the game model in order to guide the negotiation and realize more excellent economic efficiency．

Key words: constructive acceleration, bayesian nash equilibrium, incomplete information, game theory, payoffs

摘要： 业主与承包商签订“赶工附加协议”的过程是双方针对赶工费用博弈的过程，本文分析了双方的谈判策略，并 运用博弈模型进行了均衡分析，以期能指导双方的谈判，实现更优的经济效率．

关键词: 赶工, 贝叶斯纳什均衡, 不完全信息, 博弈论, 得益