"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...

"Briceno, Estache, and Shafik review the evidence on the state of infrastructure in the developing world, emphasizing the investment needs and the emerging policy issues. While their assessment is seriously constrained by data gaps, they provide useful insights on the main challenges ahead,...

"Estache, Laffont, and Zhang develop a model to analyze the effects of asymmetric information on optimal universal service policy in the public utilities of developing countries. Optimal universal service policy is implemented using two regulatory instruments pricing and network investment....

"Da Silva, Estache, and Jarvela describe the evolution of the financing structure of regulated privatized utilities and transport companies. To do so, they rely on a sample of 121 utilities distributed over 16 countries, and 23 transport infrastructure operators and 23 transport services...