Dafny, Leemore2021-06-042019-02-01Dafny, Leemore S. "Does It Matter If Your Health Insurer Is For Profit? Effects of Ownership on Premiums, Insurance Coverage, and Medical Spending." American Economic Journal: Economic Policy 11, no. 1 (February 2019): 222–265.1945-7731https://nrs.harvard.edu/URN-3:HUL.INSTREPOS:37367769There is limited empirical evidence about the impact of for-profit health insurers on various outcomes. I study the effects of conversions to for-profit status by Blue Cross and Blue Shield (BCBS) affiliates in 11 states, spanning 28 geographic markets. I find both the BCBS affiliate and its rivals increased premiums following conversions in markets where the converting affiliate had substantial market share. Medicaid enrollment rates also increased in these markets, a pattern consistent with “crowd in” of families who were formerly privately insured. The results suggest for-profit insurers are likelier than not-for-profit insurers to exercise market power when they possess it. (JEL G22, I13, I18, I38)en-USGeneral Economics, Econometrics and FinanceJournal Article2021-06-0410.1257/pol.20130370