This paper completes Guasch, Laffont and Straub (2003), extending the analysis to the case of government-led renegotiations. We first extend the theoretical framework to a multiple-period context in which both Pareto improving and rent shifting renegotiations at the initiative of the government...

We construct a regulation model in which renegotiation occurs due to the imperfect enforcement of concession contracts. This enables us to provide theoretical predictions for the impact, on the probability of renegotiation of a concession, of regulatory institutions, institutional features,...