Immigration is transforming the U.S. labor force with important consequences for Social Security’s adequacy and finances. Using longitudinal data from the Survey of Income and Program Participation matched to rich administrative data on lifetime earnings and benefit receipt, we measure the...

American nonprofit organizations receive favorable tax treatment, including tax exemptions and tax-deductibility of contributions, in return for their devotion to charitable purposes and restrictions not to distribute profits. Recent efforts to extend some or all of these tax benefits to...

The empirical literature on DI has primarily focused on the impact of program parameters on caseload growth or reduced labor force attachment. The focus on the efficiency costs of DI provides a misleading view of the social desirability of the program itself and of the adequacy of benefit...

Proxy means test (PMT) poverty targeting tools have become common tools for beneficiary targeting and poverty assessment where full means tests are costly. Currently popular estimation procedures for generating these tools prioritize minimization of in-sample prediction errors; however, the...

Little is known about how the adoption and diffusion of medical innovation is related to and influenced by market characteristics such as competition. The particular complications involved in investigating these relationships in the health care sector may explain the dearth of research. We...

The Supplemental Security Income (SSI) program provides federally-funded income support for individuals with disabilities, and has become one of the most important means-tested transfer programs in the United States. Previous studies have examined the effects of economic conditions on growth in...