Obtaining health insurance through an employer pools risk, but may lead to moral hazard, where employees with more coverage seek care valued below cost, and adverse selection, where the unhealthy choose more generous plans, driving up premiums. In the first essay, I model the decision to choose...

After the sharp run-up in stock prices during the bull market of the late 1990s and their subsequent collapse in 2001–2002, the prices of equities as measured by the S&P 500 are once again uncommonly high relative to companies’ current and prospective earnings, causing some to question...

Despite the notable increase in earnings volatility and the attention paid to the growing ranks of the uninsured, the relationship between career earnings and short- and medium run health insurance status has been ignored due to a lack of data. I use a new dataset, the SIPP Gold Standard File,...

Much as in previous recessions, the number of applications to public disability insurance programs increased sharply during the Great Recession. We find that the composition of applicants also changes across business cycles. For example, applicants during economic downturns, and especially...

In 1990, the U.S. Supreme Court decision in the Sullivan v. Zebley case fundamentally changed, albeit temporarily, the criteria under which children qualified for the Supplemental Security Income (SSI) program based on disability. Instead of a system based on medical criteria alone, 1996...

This paper examines the impact of the Massachusetts Health Insurance reform of 2016 on job mobility and employment exit using administrative data from the Social Security Administration. The Massachusetts reform mandated that every resident have insurance coverage and facilitated this initiative...

The Affordable Care Act (ACA) has greatly increased the proportion of non-elderly Americans with health insurance. One justification for the ACA is that improving individuals’ access to health insurance would improve their health outcomes, mostly by increasing the probability that they have a...