The authors analyze the possibility of tradeoffs between efficiency and equity as well as the possibility of distributional conflicts in the context of renegotiation of infrastructure contracts in developing countries. To do so, they present a model in which contracts are awarded by auctioning...

In the last 15 years, a variety of public private-partnerships in infrastructure have been adopted throughout the developing and transition world. Because many of these experiences are also turning sour, it seems important to separate facts from emotions. The paper argues that the wide...

The most effective regulators in developing countriesare following remarkably similar approaches. The main common element across"best practice"countries is the use of relatively simple quantitative models of operators'behavior and constraints to measure the impact of regulatory decisions on some...

Providing a more complete framework for assessing the efficiency of government intervention requires moving away from the idealistic perspective typically found in the normative approach to traditional public economics, contend the authors. Such a move requires viewing the government not as a...

The authors analyze the determinants of the efficiency levels reached by twenty one African water utilities. They assess efficiency through the estimation of a production frontier for the sector in Africa. The efficiency estimates confirm much of the common perceptions from partial productivity...

In this paper we present an analysis of distributional impact analysis of climate change policies envisaged or implemented to reduce greenhouse gasses emissions on Senegal. We consider policies implemented in developed countries (namely the ones engaged in the Kyoto protocol) and their impact on...