1. Department of Health and Children, Government of Ireland. White Paper on Private Medical Insurance; 1999.
2. Enthoven AC. Theory and practice of managed competition in health care finance. North Holland; 1988.
3. Van de Ven WPMM, Schut FT. Risk equalisation in an individual health insurance market: the escape from the trade-off between affordability, efficiency and selection—the Netherlands as a case study. Working Paper as part of the project FRESH-Thinking; 2007.
4. Van de Ven WPMM (Guest Editor), Health Policy Special Issue on Risk Adjustment 2003;65(1):1–100.
5. Armstrong J. Paper compiled as a submission to European Union study on Voluntary Health Insurance in Europe; 2002.