This article compares classical expected utility (EU) with the more general rank-dependent utility (RDU) models. The difference between the independence condition for preferences of EU and its comonotonic generalization in RDU provides the exact demarcation between EU and rank-dependent models....

In first-price sealed-bid auctions, a power probability weighting function is observationally equivalent to a model of constant absolute risk aversion. By comparing auctions with different ceilings on a computerized opponent’s bid space, we can separate subjective probability weighting and...