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α: calibrated so average coauthorship-adjusted count equals average raw count
We evaluate the long-run effects of a decentralised approach to economic development called community-driven development—a prominent strategy for delivering foreign aid—by revisiting a randomised community-driven development program in Sierra Leone 11 years after launch. We estimate large persistent gains in local public goods and market activity, and modest positive effects on institutions. There is suggestive evidence that community-driven development may have slightly improved the communities’ response to the 2014 Ebola epidemic. We compare estimates to the forecasts of experts from Sierra Leone and abroad, working in policy and academia, and find that local policymakers are overly optimistic about the effectiveness of community-driven development.