Risk Preferences Over Health: Empirical Estimates and Implications for Healthcare Decision-Making

Karen Mulligan, Drishti Baid, Jason Doctor, Charles E. Phelps and Darius Lakdawalla

No 31524, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: Recent research has documented a link between consumer risk preferences over health and the willingness to pay (WTP) for medical technologies. However, the absence of empirical health risk preference estimates so far limits the implementation of this generalized risk-adjusted cost-effectiveness (GRACE) theory, which addresses several limitations of traditional cost-effectiveness analysis (CEA). To address this gap, we elicit from a nationally representative U.S. sample individual risk preference parameters over health-related quality of life (HRQoL) that shed light on health risk attitudes and enable GRACE valuation of medical technology. We find individuals exhibit risk-seeking preferences at low levels of health, switch to risk-averse preferences at health equal to 0.485 (measured on a zero to one scale), and become most risk-averse when their health is perfect (coefficient of relative risk aversion = 4.36). The risk preference estimates imply an empirical premium for disease severity: each unit of health is worth three times more to patients with serious health conditions (health equals 0.5) than those who are perfectly healthy. They also imply that traditional CEA overvalues treatments for the mildest diseases by more than a factor of two. Use of traditional CEA both overstimulates mild disease treatment innovation and underprovides severe disease treatment innovation.

JEL-codes: I11 I18 (search for similar items in EconPapers)
Date: 2023-08
New Economics Papers: this item is included in nep-dcm, nep-hea and nep-upt
Note: EH
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