The authors use data from more than 6,000 World Bank projects evaluated between 1983 and 2009 to investigate macro and micro correlates of project outcomes. They find that country-level "macro" measures of the quality of policies and institutions are very strongly correlated with project...

A number of recent studies have empirically documented links between characteristics of World Bank projects and their ultimate outcomes as evaluated by the World Bank's Independent Evaluation Group. This paper explores the in-sample and out-of-sample predictive performance of empirical models...

A general approach to economic analysis of projects is presented, including the basic notions of cost-benefit analysis in the context of project analysis. A systematic and consistent estimation and application of shadow prices is needed, and suggestions are made for incorporating distributional...