Influencing Factors Of PPP Financing Performance And Analysis Of Government Subsidy Strategies

The PPP model has the characteristics of large investment amount,long period of time,numerous participants,and high risk of uncertainty.During the operation of the PPP project,the government's subsidy method is not clear and the subsidy strategy is not specific,which causes the risk sharing to be unreasonable,causing dissatisfaction of the participating entities,affecting their cooperative relationship,and resulting in low project performance.Thus,it affects the development of PPP model in our country.In view of the improvement of PPP project performance,this paper analyzes the factors affecting PPP financing performance from the perspective of core stakeholders of PPP project.Secondly,it introduces the system dynamics method,constructs the system dynamics model of PPP financing performance,and analyzes the project financing performance.And it analyzes the system feedback loop,the causal relationship of each subsystem and system reason tree,etc.Then the paper also designs the main factor affecting PPP financing performance level from the perspective of core stakeholders.Finally,Standing in the perspective of the government department,we put forward the government subsidies for PPP projects during the concession period,and establish the financing performance subsidies based on the project data of a expressway.this paper analyzes the main factors affecting PPP financing performance and the performance level changes under government subsidies,and proposes corresponding strategies for government departments to improve project performance.The simulation results show that among the core stakeholders of the PPP project,the combination of government sector factors has the greatest impact on PPP financing performance,especially government subsidies and preferential policies.It shows that a reasonable government subsidy strategy is conducive to the improvement of the project's performance level,in the simulation analysis of the PPPproject performance model under the government subsidy strategy.The government should adopt a mixed subsidy during the construction period and operation period,and carry out cost subsidies according to the proportion of social capital investment during the construction period to improve the enthusiasm of social capital,and improve the quality level of the project.And in the operation period,The government should offer the subsidy,according to income subsidies,tax incentives.It will help the participating parties to properly share the risks of the PPP project and improve the performance level of the project.Through the optimization of PPP financing performance and government subsidy strategy research,it not only improves the project performance level,but also helps to increase the enthusiasm of social capital participation and helps the government to ensure the social capital income.Finally it effectively increases the rate of project landing.