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Managed competition in health care in the Netherlands and Germany: Theoretical foundation, empirical findings and policy conclusions
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Competition in Social Health Insurance: A Three-Country Comparison
Reforming health care finance: What can Germany learn from other countries?
Vertragswettbewerb in der Gesundheitsversorgung: Lehren aus dem Ausland
Exit and Voice in Dutch Social Health Insurance
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Risk Adjustment Systems in Health Insurance Markets in the US, Germany, Netherlands and Switzerland