Quiggin, J.

health utility preference model function theory capability journal analysis consumption condition health status economic rank-dependent qaly model bleichrodt utility independence outcome preference relation state utility theory cost-effectiveness analysis decision period independence weight rank-dependent status cost –benefit analysis utility function approach choice health states functioning additive relation theorem welfare rank-dependent utility theory lottery cost-effectiveness equity quigginr journal book-making principle principle capability sets utility model assumption probability health care individual marginality time preference section capability approach equity weights freedom example representation comonotonic book-making principle book-making paper value quiggin level evaluation policy death maker willingness uncertainty one-period utility functions life years equivalent qaly model proof wakker gamble invariance wealth symmetry policy maker