Bleichrodt, H.

utility health preference function model theory probability state subject outcome decision value prospect choice journal aversion utility function result condition loss aversion method prospect theory health states question bleichrodt economic study effect discounting measurement gamble weighting analysis difference assumption weight experiment health state paper utility independence table treatment section trade-off independence qaly model profile duration level probability weighting theorem indifference inequality point scale wakker utility model income elicitation sequence measure tversky equity quality impatience patient example number death response policy discount uncertainty period equivalent relation life years intertemporal additive reference point