Reclassification to Avoid Consumer Cost-Sharing in Group Health Plans

Olesya Fomenko and Jonathan Gruber

No 25870, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: We examine how consumers respond to being effectively double insured under two systems: group health (GH) and workers’ compensation (WC). Many GH plans have substantial consumer cost-sharing burden, while WC coverage has no cost-sharing for medical services for work-related injuries. As a result, a consumer facing a large deductible under their group health plan will have a strong financial incentive to make a claim under WC instead. We use a unique data set of claims under both GH and WC to study how “case shifting” to WC responds to GH deductibles for the most common set of injuries that are covered under both types of insurance. We identify the impact of case shifting by using interactions of deductible levels and previous spending. We find that a typical claim is about 1.4 percentage points (5.3%) more likely to be filed as a WC claim when facing an average deductible (about $630) compared to a plan with no deductible, and that total WC costs in the U.S. are more than $1.2 billion higher as a result. At the same time, we find that consumers do not appear to be forward looking, focusing on the “spot price” rather than the full “end of year price” in deciding whether to claim under WC.

JEL-codes: H51 I18 I28 (search for similar items in EconPapers)
Date: 2019-05
New Economics Papers: this item is included in nep-hea and nep-ias
Note: AG EH LS PE
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Citations: View citations in EconPapers (1)

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