Tackling environmental pollution requires a permanent change in regular, repeated behavior of households. Bringing about change in such behavior may require interventions that are not limited to a single point in time, yet little evidence exists on how frequently we need to target households to...

Do anticipated social consequences influence risky choices? Do people take more, less or the same risk when inequality results from risky choice? We provide experimental evidence. Subjects choose lotteries for themselves and a partner under different risk resolutions, allowing us to identify...

Underinvestment in agriculture -- a major cause of rural poverty -- may be due to difficulties to detect 'contingency', defined as the influence one may exert on the distribution of returns on investment. Recently experienced contingency may create a mismatch between perceived and actual...

We study how correcting people’s beliefs about social norms and behavioral trends encourages collective action in a setting where the desired behavior is not yet prevalent. In a field experiment among 1,709 subjects, we test whether low sign-up rates for a recycling program in urban Peru can...