This paper makes two main contributions. First, we examine the long-run effect of foreign aid on domestic output for 59 developing countries using heterogeneous panel cointegration techniques to control for omitted variable and endogeneity bias to detect possible cross-country differences in the...

This study from the Independent Evaluation Group draws lessons for development and climate change mitigation from the World Bank Group's far-reaching portfolio of projects in energy, forestry, transport, coal power, and technology transfer. Reviewing what has worked, what hasn?t, and why, the...