Health Reform, Health Insurance, and Selection: Estimating Selection into Health Insurance Using the Massachusetts Health Reform
We implement an empirical test for selection into health insurance using changes in coverage induced by the introduction of mandated health insurance in Massachusetts. Our test examines changes in the cost of the newly insured relative to those who were insured prior to the reform. We find that counties with larger increases in insurance coverage over the reform period face the smallest increase in average hospital costs for the insured population, consistent with adverse selection into insurance before the reform. Additional results, incorporating cross-state variation and data on health measures, provide further evidence for adverse selection.
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Volume (Year): 102 (2012)
Issue (Month): 3 (May)
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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Kolstad, Jonathan T. & Kowalski, Amanda E., 2012.
"The impact of health care reform on hospital and preventive care: Evidence from Massachusetts,"
Journal of Public Economics,
Elsevier, vol. 96(11), pages 909-929.
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- מחקר - ביטוח לאומי, 2006. "Annual Survey 2005," Working Papers 15, National Insurance Institute of Israel.
- Liran Einav & Amy Finkelstein & Mark R. Cullen, 2010. "Estimating Welfare in Insurance Markets Using Variation in Prices," The Quarterly Journal of Economics, Oxford University Press, vol. 125(3), pages 877-921.
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