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...