We provide a characterization of comparative weak risk aversion and comparative RDEU risk aversion for RDEU preferences and, in particular, we correct a claim made by Quiggin (1993) regarding comparative RDEU risk aversion. We then apply the analysis of comparative risk aversion to a problem of...

Experimental studies show that people's risk preferences depend non-linearly on probabilities, but relatively little is known about how probability weighting influences investment decisions. In this paper we analyze the portfolio choice problem of investors who maximize rank-dependent utility in...

We study a dynamic portfolio selection problem in which an agent trades a stock and a risk-free asset with the objective of maximizing the rank-dependent utility of her wealth at the terminal time of the investment horizon. Due to time inconsistency, we consider three types of agents,...