Since at least the early 1990s, economists have found substantial evidence of "job lock" in the United States: workers who get health insurance from their employer are less likely to switch jobs. Early work showed stronger job lock among groups that place a higher value on health insurance,...

The recent nation-wide health reform --- Patient Protection and Affordable Care Act, or simply ACA --- drastically altered the functioning of the health insurance industry in the US, opening many questions about how the system should be designed and regulated. While previous literature largely...

We estimate the effect of the Affordable Care Act Medicaid expansion on county-level mortality in the first four years following expansion. We find a reduction in all-cause mortality in ages 20 to 64 equaling 11.36 deaths per 100,000 individuals, a 3.6 percent decrease. This estimate is largely...