Macroeconomic data have been shown to vary substantially between sources, especially so for low-income countries. While the impact of data revisions on inference is well documented for cross-country studies, there is no systematic analysis of the robustness of results obtained from time series...

Aid has worked in the past but can be made to work better in the future. In this important new book, leading economists and political scientists, including experienced aid practitioners, re-examine foreign aid. The evolution of development doctrine over the past fifty years is critically...