Data from 121 diverse rural water projects provide strong statistical findings that increasing beneficiary participation directly causes better project outcomes. Three possible econometric objections to these findings are addressed and answered. The subjective nature of the data does not...

Many reform initiatives in developing countries fail to achieve sustained improvements in performance because they are merely isomorphic mimicry—that is, governments and organizations pretend to reform by changing what policies or organizations look like rather than what they actually do. In...

We estimate the effect of income on health using cross-country, time-series data on health (infant and child mortality and life expectancy) and income per capita. We use instrumental variables estimates using exogenous determinants of income growth to identify the pure income effect on health,...

Firms in Africa report"regulatory and economic policy uncertainty"as a top constraint to their growth. This paper argues that often firms in Africa do not cope with policy rules, rather they face deals: firm-specific policy actions that can be influenced by firm actions (such as bribes) and...

Historical data are unnecessary to demonstrate that perhaps the basic fact of modern economic history is massive absolute divergence in per capita income across countries. A plausible lower bound on per capita income can be combined with estimates of its current level in the poorer countries to...