Bakx, Piet; Schut, Erik; Doorslaer, Eddy van - Tinbergen Instituut - 2013
requires, among other things, an adequate system of risk adjustment. While risk adjustment is now widely adopted in health … and demographic information are found to explain much of the variation, while prior health care expenditures are important … in reducing predicted losses for subgroups of health care users. Nevertheless, incentives for risk selection against some …