Economics of public-private partnerships: a basic guide Competition promotion of public-private partnerships in public utilities Study of public-private partnership mechanism Typical cases of public-private partnership projects in China 并列题名：Laws of public-private partnership in BRICS countries German public-private partnership study Laws of public-private partnership in BRICS countries 并列题名：Study of public-private partnership mechanism Public-private partnerships reference guide 并列题名：Competition promotion of public-private partnerships in public utilities