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AbstractI investigate the causal relationship between access to healthcare and crime following state decisions to expand Medicaid coverage after the Affordable Care Act. I combine state‐level crime data from the Federal Bureau of Investigation Uniform Crime Reports for the years 2009 through 2018 with variation in insurance eligibility generated by the Medicaid expansion. Using a difference‐in‐differences design, my findings indicate that states that expanded Medicaid have experienced a 5.3 percent reduction in annual reported violent crime rates relative to nonexpansion states. This effect is explained by decreases in aggravated assaults and corresponds to 17 fewer incidents per 100,000 people. The estimated decrease in reported crime amounts to an annual cost savings of approximately $4 billion.

We use a regression discontinuity design to estimate the causal effect of election to political office on natural lifespan. In contrast to previous findings of shortened lifespan among US presidents and other heads of state, we find that US governors and other political office holders live over one year longer than losers of close elections. The positive effects of election appear in the mid-1800s, and grow notably larger when we restrict the sample to later years. We also analyze heterogeneity in exposure to stress, the proposed mechanism in the previous literature. We find no evidence of a role for stress in explaining differences in life expectancy. Those who win by large margins have shorter life expectancy than either close winners or losers, a fact which may explain previous findings.