Incentives are supposed to increase effort, yet individuals react differently to incentives. We examine this heterogeneity by investigating how personal characteristics, preferences, and socio-economic background relate to incentives and performance in a real effort task. We analyze the...

Most Americans strongly favor equality of opportunity if not outcome, but many are weary of poverty's seeming immunity to public policy. This helps to explain the recent attention paid to cultural and genetic explanations of persistent poverty, including claims that economic inequality is a...