2David Martimort,Jerome Pouyet.To build or not to build: Normative and positive theories of public–private partnerships[J]. International Journal of Industrial Organization . 2006 (2)
3Levin,Jonathan D,S Tadelis.Contracting for Government Services:Theory and Evidence from U.S.Cities. NBER Working Paper,No.13350 . 2007
4Guasch,J.Luis,,Laffont,Jean-jacques,Straub,Stéphane.Renegotiation of concession contracts in Latin america. World Bank Research Paper 3011 . 2004
