Many development programs are based on short-term interventions, either because of external funding constraints or because it is assumed that impacts persist post program termination ("sustainability"). Using a novel randomized phase-out research method, we provide experimental tests of the...

A society that believes wealth to be determined by random "luck", rather than by merit, demands more redistribution. We present evidence of this behavior by exploiting a natural experiment provided by the L'Aquila earthquake in 2009, which hit a large area of Central Italy through a series of...