The authors propose a modification to the conventional approach of decomposing income inequality by population sub-groups. Specifically, they propose a measure that evaluates observed between-group inequality against a benchmark of maximum between-group inequality that can be attained when the...

This paper formalizes the design of experiments intended speciï¬cally to study spillover effects. . By ï¬rst randomizing the intensity of treatment within clusters and then randomly assigning individual treatment conditional on this cluster-level intensity, a novel set of treatment effects...

A sample of 561 Sri Lanka microenterprise owners affected to various extents by the December 2004 Indian Ocean tsunami were surveyed five times at quarterly intervals between March 2005 and April 2006. Mental health recovery was measured through questions on return to normalcy and change in life...

Large numbers of households in cities around the developing world do not have access to one of the most basic of human needs-a safe and reliable supply of drinking water. This paper uses the experience of India as a lens through which to view the problems of access to water in urban areas and...