"This paper uses a new dataset, "WATSAN," of private sector participation (PSP) projects for water and sanitation in developing countries to examine the determinants of the number of projects signed for each country between 1990 and 2004. The new dataset improves on existing sources, in...

"The authors complement the existing knowledge in the renegotiation literature on infrastructure concessions by analyzing government-led renegotiations. They first propose a multiple-period theoretical framework in which both Pareto-improving and rent-shifting renegotiations at the initiative of...