In designing policy measures, including possible social safety nets, targeted to the poor, it is important to fully understand the efficiency implications of these measures. There is abundant macroeconomic literature on their negative effects on the poor’s work effort. The literature, however,...

The Background Papers gathers together a number of studies that were prepared as research to the final report. Although not a part of the report itself, these papers provide detail on a number of issues grouped together here by general topic; data sources and methodology, direct investment,...