Development involves change, but many development initiatives produce unimpressive results. The authors ask why and consider how to close the gap between the intended change and what we actually see in the evidence. This paper presents the findings of a study, initiated by the multi-donor Global...

Much of the work on reform and development has focused on the identification and diagnosis of problems and on the formulation of technically sound measures to address these problems. But the main challenge that often confronts policy makers in attempting to undertake reforms is not in the...