We use data from several national employer surveys conducted between the late 1980s and the mid-1990s to investigate the effect of state-level underwriting reforms on HMO penetration in the small-group health insurance market. We identify reform effects by exploiting cross-state variation in the...

We analyze whether the Affordable Care Act (ACA) has affected labor supply of older Americans using data that span more than four years after the policy's implementation in 2014. We find no changes in labor supply of older Americans either in response to subsidized marketplace coverage, which...