Multidimensional auctions are a natural and practical solution when auctioneers pursue more than one objective in their public-private-partnership transactions. However, it is difficult to achieve auction efficiency with multiple award criteria. Using auction data from road and railway...

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...

This paper shows empirically that "privatization" in the energy, telecommunications, and water sectors, and the introduction of independent regulators in those sectors, have not always had the expected effects on access, affordability, or quality of services. It also shows that corruption leads...

"Serrano and Trujillo quantify the evolution of technical efficiency in port infrastructure service provision in the major Spanish port authorities involved in container traffic. They also analyze the extent to which port reforms that took place in the 1990s had an impact on the efficiency of...

"Estache, Perelman, and Trujillo review about 80 studies on electricity and gas, water and sanitation, and rail and ports (with a footnote on telecommunications) in developing countries. The main policy lesson is that there is a difference in the relevance of ownership for efficiency between...