A common premise in both the theoretical and policy literatures on development is that people remain poor because they are too impatient to save and too risk averse to take the sort of chances needed to accumulate wealth. The empirical literature, however, suggests that this assumption is far...

We discuss the following three themes on the use of field experiments to study economic development: (1) We summarize the arguments for and against using experiments to gather behavioral data in the field; (2) We argue and illustrate that field experiments can provide data on behavior that can be...