The income elasticity of labor supply is a central parameter of many economic models. We test how labor supply and effort in northern Ghana respond to exogenous changes in income and wages using a randomized evaluation of a multi-faceted grant program combined with a bag-making operation. We...

A key question for Social Security reform is whether workers currently perceive the link on the margin between the Social Security taxes they pay and the Social Security benefits they will receive. We estimate the effects of the marginal Social Security benefits that accrue with additional...

Because the Supplemental Security Income (SSI) program is means-tested, with both income limits and asset limits, those on the margin of eligibility for the elderly component of the program face incentives to reduce labor supply (or earnings) prior to becoming eligible. Our past research relying...

Targeting is a core element of anti-poverty program design, with benefits typically targeted to those most "deprived" in some sense (e.g., consumption, wealth). A large literature in economics examines how to best identify these households feasibly at scale, usually via proxy means tests (PMTs)....

This paper evaluates the effectiveness of recent welfare reforms, investigating the effects of both state-specific waivers in the early 1990s and the 1996 federal reform legislation. Unlike earlier work, we analyze a wide array of indicators, including welfare participation, labor market...

We have used a unique longitudinal database that incorporates information from diverse administrative and research sources to examine the impact of the early stages of welfare reform on poor working families who do not receive cash assistance. Our data are for 2791 working poor families from...

Using data from the longitudinal retirement history survey (RHS), we examine the economic status of the cohort of the elderly who were 68 -73 years old by 1979 to see who fell through the safety net in the 1970s. Our most important finding is that a non-trivial fraction of the elderly in the...