Abstract: Objective: : Sustainable revenue is one of the essential conditions to ensure the successful operation of sports venue PPP project. Based on system engineering and transaction cost economics, a revenue model of existing sports venue PPP project is constructed. The study takes a specific sports venue in Chongqing as an example. System dynamics and fuzzy logic are adopted to simulate some critical parameters of the revenue model. The study takes concession period, concession price of sports service, the population of sports activities and the commercial service price into consideration, under specific discount rate level, to identify how these parameters' changes influence the revenue model of existing sports venue PPP project. This study aims to provide reference relating to investment decisions and dynamic management to the government and private investors who participating in existing sports venue projects via PPP mode.

Key words: Existing Sports Venue, PPP Projects, Transaction cost, Revenue, System Dynamics