EuroWill Group2021-02-252021-02-252005-01-010167-6296PURE: 406104PURE UUID: bb08ece0-6216-4ac6-8a3e-94b30929ef83researchoutputwizard: 9526WOS: 000231990700009Scopus: 23944453692PubMed: 15893827http://hdl.handle.net/10362/11250859424engImplicit versus explicit rankingjournal article10.1016/j.jhealeco.2005.04.001on inferring ordinal preferences for health care programmes based on differences in willingness-to-pay