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Replication data for: Regulating Markups in US Health Insurance

Resource Type
  • Cicala, Steve
  • Lieber, Ethan M. J.
  • Marone, Victoria
Publication Date
  • Abstract

    A health insurer's Medical Loss Ratio (MLR) is the share of premiums spent on medical claims, or the inverse markup over average claims cost. The Affordable Care Act introduced minimum MLR provisions for all health insurance sold in fully insured commercial markets, thereby capping insurer profit margins, but not levels. While intended to reduce premiums, we show this rule creates incentives to increase costs. Using variation created by the rule's introduction as a natural experiment, we find medical claims rose nearly one-for-one with distance below the regulatory threshold: 7 percent in the individual market and 2 percent in the group market. Premiums were unaffected.
  • Is supplement to
    DOI: 10.1257/app.20180011 (Text)
  • Cicala, Steve, Ethan M. J. Lieber, and Victoria Marone. “Regulating Markups in US Health Insurance.” American Economic Journal: Applied Economics 11, no. 4 (October 1, 2019): 71–104.
    • ID: 10.1257/app.20180011 (DOI)

Update Metadata: 2020-05-18 | Issue Number: 2 | Registration Date: 2019-12-07

Cicala, Steve; Lieber, Ethan M. J.; Marone, Victoria (2019): Replication data for: Regulating Markups in US Health Insurance. Version: V0. ICPSR - Interuniversity Consortium for Political and Social Research. Dataset.