Headcount measures of poverty are by far the most common tools for evaluating poverty and gauging progress in global development goals. The headcount ratio, or the prevalence of poverty, and the headcount, or the number of the poor, both convey tangible information about poverty. But both ignore...

We introduce new approaches to research on poverty traps, focusing on changes in patterns of equilibria over time and across regions, applied to the Ethiopia Rural Household Survey. We revisit the incidence of multiple equilibria using new nonparametric techniques; we also emphasize conditions...