Public-private partnerships are used to procure public infrastructure. Despite involving private investors and concessionaires, they impact the public budget like traditional provision and create fiscal risks. This paper develops a conceptual framework to assess whether and how public-private...

We study the effects of a country’s propensity to renegotiate transportation infrastructure contracts on the technical efficiency of the firms they attract. Firms are characterized by their ability to lobby and by their technical efficiency. In equilibrium, countries with a higher propensity...

We review the experience of both private toll-roads built in the United States during the 1990s, and argue that the problems they encountered could have been avoided if the length of the franchise contract would adapt to demand realizations. We also argue in favor of adjudicating private...

Roads are being franchised to private firms in many countries, raising the issue of regulating the tolls they charge. When there is more than one road to get from one point to another, regulation need not be necessary, since competition may substitute for toll regulation. This paper studies toll...