The RAND 2016 Presidential Election Panel Survey (PEPS) uses the American Life Panel (ALP) to study voting intentions, public opinion, and voter behavior. The ALP is a scientifically recruited internet panel. Using the ALP allows us to contact the same people over time to study the evolution of...

In this paper, the authors report on cohabitation and marriage data coming from the third wave of the National Longitudinal Study of Adolescent Health, or Add Health; a national longitudinal study of adolescents and young adults beginning in 1995 that has been funded by NICHD and 17 other...

A considerable amount of research has established that the married live longer, healthier lives than the previously- and never-married. Similar research on the health benefits of cohabitation is sparse, and virtually nonexistent from adolescence into young adulthood despite substantial levels of...

Same-sex marriage became legal nationwide in the United States on June 26, 2015. Federal legalization of same-sex marriage expands the pool of individuals potentially eligible for spousal Social Security benefits to the estimated 4 percent of the population that is lesbian, gay, or bisexual....