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On the analysis of the current situation and problems of the PPP supervision, it can be stated briefly that the PPP project supervision has problems such as the lack of supervision legal system, the unreasonable set of regulators and the vacancy of regulation subjects; different models including the American model-"direct participation"、the German model-"indirect supervision" and the British and French model-"laissez-faire" are summarized based on analysis of the experience of project supervision in the developed countries; The effect of the market mechanism in the PPP project supervision is discussed, and the PPP project supervision model is classified and discussed according to the effect degree of the market mechanism, furthermore, the supervision model involved by many roles including the government、 market forces and the public is put forward.

Project Supervision Model of PPP Based on the Effect of the Market Mechanism