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Introducing risk adjustment and free health plan choice in employer-based health insurance: Evidence from Germany

Adam Pilny (), Ansgar Wübker () and Nicolas Ziebarth ()

Journal of Health Economics, 2017, vol. 56, issue C, 330-351

Abstract: To equalize differences in health plan premiums due to differences in risk pools, the German legislature introduced a simple Risk Adjustment Scheme (RAS) based on age, gender and disability status in 1994. In addition, effective 1996, consumers gained the freedom to choose among hundreds of existing health plans, across employers and state-borders. This paper (a) estimates RAS pass-through rates on premiums, financial reserves, and expenditures and assesses the overall RAS impact on market price dispersion. Moreover, it (b) characterizes health plan switchers and investigates their annual and cumulative switching rates over time. Our main findings are based on representative enrollee panel data linked to administrative RAS and health plan data. We show that sickness funds with bad risk pools and high pre-RAS premiums lowered their total premiums by 42 cents per additional euro allocated by the RAS. Consequently, post-RAS, health plan prices converged but not fully. Because switchers are more likely to be white collar, young and healthy, the new consumer choice resulted in more risk segregation and the amount of money redistributed by the RAS increased over time.

Keywords: D12; H51; I11; I13; I18; Employer-based health insurance; Free health plan choice; Risk adjustment; Health plan switching; Adverse selection; German sickness funds; SOEP (search for similar items in EconPapers)
Date: 2017
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Related works:
Working Paper: Introducing Risk Adjustment and Free Health Plan Choice in Employer-Based Health Insurance: Evidence from Germany (2017) Downloads
Working Paper: Introducing Risk Adjustment and Free Health Plan Choice in Employer-Based Health Insurance: Evidence from Germany (2017) Downloads
Working Paper: Introducing risk adjustment and free health plan choice in employer-based health insurance: Evidence from Germany (2017) Downloads
Working Paper: Introducing Risk Adjustment and Free Health Plan Choice in Employer-Based Health Insurance: Evidence from Germany (2017) Downloads
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jhecon:v:56:y:2017:i:c:p:330-351

DOI: 10.1016/j.jhealeco.2017.03.009

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Journal of Health Economics is currently edited by J. P. Newhouse, A. J. Culyer, R. Frank, K. Claxton and T. McGuire

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