When economists analyze a well-conducted RCT or natural experiment and find a statistically significant effect, they conclude the null of no effect is unlikely to be true. But how frequently is this conclusion warranted? The answer depends on the proportion of tested nulls that are true and the...

The novel insurance contracts for crop losses and livestock mortality that have been developed in low income countries typically protect against shocks in the male sphere of economic activity. Often overlooked are women, the particularities of their indirect exposure to this risk, and their...

This paper considers the problem of making inferences about the effects of a program on multiple outcomes when the assignment of treatment status is imperfectly randomized. By imperfect randomization we mean that treatment status is reassigned after an initial randomization on the basis of...