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 examine the economics of infrastructure finance, focusing on public provision and Public-Private Partnerships (PPPs). We show that project finance is appropriate for PPP projects, because there are few economies of scope and because assets are project specific. Furthermore, we suggest that...

Este trabajo describe en forma sistemática los montos renegociados en las 50 concesiones cuyos datos han sido publicados por el MOP en su página web. Nuestra principal conclusión es que las renegociaciones son frecuentes y que involucran montos considerables. En promedio, cada concesión ha...