The literature on law enforcement often assumes that the updating of beliefs regarding the probability of detection is a process that is independent from the severity of the sanction. We test this presumption experimentally, using a taking game in which the probability of detection may be either...

We consider the problem of maximizing charity donations with personalized recommendations on crowd-sourcing platforms, when donor preferences are unknown. One salient feature of these platforms is that campaign recommendations do not always result in a donation. A donation is observed only when...

This paper studies a game of strategic experimentation in which the players have access to two-armed bandits where the risky arm distributes lump-sum payoffs according to a Poisson process with unknown intensity. Because of free-riding, there is an inefficiently low level of experimentation in...

We partnered with the Ghanaian government to test simultaneously four methods of increasing achievement in schools with low and heterogeneous student achievement| assistant led remedial pull-out lessons, assistant led remedial after school lessons, assistant led smaller class sizes, or teacher...