Public-private partnership, a newly emerged investment mode in 1980 s, draws highly attention worldwidely. In recent years, PPP is widespread and applied extensively in our nation, and studies of it gradually deepened. Public power plays roles of launch, participation and management in public-private partnership and it acts throughout the whole process. Efficiency of power application determines the consequences of PPP. “Power tends to corrupt; absolute power corrupt absolutely." The advantages of PPP cannot be fully exerted if public power is not restrained moderately. As a result, appropriate constraints is necessary and requisite in implementation of PPP.This article divides into five parts, and contents of individual part are as follows.First part is summary of theoretical statements for public power in Public-private partnership. This part is the basis of this article, which includes definition and theory of PPP, public power and power control theory.Second part is foreign experience of public-private partnership. Legislation, administration and public power regulation of PPP in UK, Australia and Hong Kong sets good examples and benefit a lot to restrict public power in application of PPP in our country.Third part is categorized analysis of public power in PPP, aims to locate major problems for existent PPP.Fourth part is extensively analyzed reasons of major problems for existent PPP. This part studied from legislation, political risks, force majeure, public power setting perspectives.Finally, it proposes suggestions for public power constraints of PPP in our country. It mainly includes stipulate principle, constraint methods and relative system design. |