Heterogeneity in health insurance choice: An experimental investigation of consumer choice and feature preferences

We investigate heterogeneity in health insurance choice using data from a controlled laboratory experiment. Participants make consecutive choices from sets of insurance plans that vary in premium, deductible, and complementary coverage of illnesses. We find that there is considerable heterogeneity in how much individuals are willing to pay for certain plan attributes. To better understand these differences, we account for individual risk preferences using a rank-dependent expected utility (RDEU) model and assess the welfare effects of plan choices. At the aggregate level, we find welfare losses under both the normative RDEU model and the descriptive EV model. At the individual level, however, the results are more differentiated: for some individuals, choices are consistent with their RDEU preferences, whereas for others, choices do not fit either model, suggesting either decision errors or reliance on heuristics.

Subjects

consumer preferences

health insurance

heterogeneity

laboratory experiment

risk preferences

DDC Class

360: Social Problems, Social Services

330: Economics

Funding(s)

Projekt DEAL

Lizenz

https://creativecommons.org/licenses/by/4.0/

Publication version

publishedVersion

Name

J of Risk Insurance - 2025 - Hermanns - Heterogeneity in health insurance choice An experimental investigation of.pdf

Size

2.65 MB

Format

Adobe PDF

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Heterogeneity in health insurance choice: An experimental investigation of consumer choice and feature preferences