This paper summarizes the evidence on the evolution of transport PPPs over the last 15 years or so. In the process, it provides a primer on the associated policy issues, including of the central role of project finance in the implementation of PPP policies and the debates on risk allocation in...

Trujillo, Martín, Estache, and Campos provide empirical evidence on the impact that private participation in infrastructure has had on key macroeconomic variables in a sample of 21 Latin American countries from 1985–98. Specifically, they look at the effects on GDP per capita, current public...