PPP项目缔约阶段的风险分担研究

PPP 项目中，缔约阶段风险合理分担是影响项目成功的关键因素。为更好地解决缔约阶段风险分担不合理的问题，对 PPP 项目风险分担原则和方法进行分析，考虑到该阶段政府和私人部门在地位、信息获取程度的不对称性，构建了双方不完全信息视角下的讨价还价博弈模型。并分析得出缔约阶段风险分担比例与双方地位强弱程度、掌握信息程度、成本损耗系数和采取威慑策略概率有关这一结论，为改善这种状况提出了建议。

A Study of Risk Sharing in the Contracting Phase of PPP Projects

In the PPP projects，the risk sharing in the contracting phase is a key factor affecting the success of the project. In orderto better solve the problem of unreasonable risk sharing in the contracting stage，this paper firstly analyzes the risk sharing principlesand methods of PPP projects. Secondly，considering the asymmetry of status and information acquisition degree between thegovernment and the private sector in this stage，this study constructs a bargaining game model from the perspective of incompleteinformation between the two sides. Finally，the conclusion is drawn that the risk sharing ratio in the contracting stage is related to thestatus of both parties，the degree of information mastered，the cost loss coefficient and the probability of adopting deterrence strategy,At last, some suggestions are put forward to improve the situation.