Zank, H.

utility probability function outcome weighting preference decision theory prospect state wakker theorem weighting functions decision weights result condition lemma proof attribute-speci fic evaluation risk aversion weighting function prospect theory additive aversion event representation journal pointwise continuity model uncertainty relation optimism weight monotonicity statement evaluation space zank / european zank r journal lottery sensitivity paper preference relation economic pessimism loss aversion probability weighting function power point utility function state-dependent tversky measure consistency analysis foundation section trade-off value order curvature abdellaoui observation reference point science tradeoff consistency attribute-speci 1/2 example management attribute elevation · · · parameter independence additive utility acts f tail independence additivity