Tversky, A.

prospect utility function value insurance theory condition state preference decision outcome prospect theory theorem probability wakker event value function proof tversky uncertainty premium difference representation result reservation price journal weight lemma price aversion decision weights risk aversion model reservation relation sign-comonotonic weighting function section additive consistency weighting ats-ss 11/data assumption interval source figure decision maker boundary kahneman value differences proposition fi rst-order approximation continuity tradeoff reservation price x additive value functions sign-comonotonic tradeoff consistency gain-los example appendix gain-loss consistency theorem 6.3 people right kluwer analysis comonotonic cpt difference loss aversion question paper survey 11/data session ats-s pg.po additive representation kluwer journal consumer value functions