According to this broad concept, PPP refers to the process of cooperation between the public sector and the private sector, which allows the resources mastered by the non-public sector to participate in the provision of public goods and services, so as to obtain more favorable results than when the partners act alone.
Compared with BOT, the main feature of narrow sense PPP is that the government is more involved in the construction, management and operation process in the middle and late stage of the project, and enterprises are more involved in the scientific research and project establishment in the early stage of the project. Both the government and enterprises participate in the whole process, and the cooperation time between the two sides is longer and the information is more symmetrical.
PPP is the abbreviation of public-private-partnership, which means that in the field of public services, the government chooses social capital with investment and operation management capabilities in a competitive way, and the two parties conclude a contract on the principle of equal consultation, and the social capital provides public services, and the government pays consideration to the social capital according to the performance evaluation results of public services.
PPP provides services in the form of market competition, mainly in the pure public domain and quasi-public domain. PPP is not only a means of financing, but also a system reform, involving administrative system reform, financial system reform and investment and financing system reform.