Ongoing empirical research on the drivers of project-aid effectiveness relies on World Bank evaluation ratings across … World Bank evaluation ratings are measuring precisely. Second, only project management variables, which are sector …. Moreover, we are able to analyze the impact of project design in addition to project management. We find that evaluation …

. Unfortunately, existing methods for impact evaluation are designed for the evaluation of homogeneous interventions (‘projects … is a serious constraint in the debate on aid effectiveness. We propose a method of statistical impact evaluation in …