The link between foreign aid and economic growth remains a controversial issue in the literature, and a large share of the disagreement could be explained by differences in the data employed. Using GDP data from three different versions of the Penn World Table and the World Development...

The Annual Review of Development Effectiveness 2009 presents evidence on the World Bank’s efforts in two areas. Part I tracks the outcomes of Bank projects and country programs and the evolution of monitoring and evaluation (M&E). Part II examines the Bank’s support for environmentally...

Impact evaluation has grown more popular as a method for identifying the causal links between interventions and outcomes. These kind of evaluations assess changes that can be attributed to a particular intervention. Both innovations in statistical methods and the demand for evaluations that can...