Portfolio choice is usually modelled by von Neumann-Morgenstern utility. Risk-value models are more general and permit … the derivation of risk-value efficient frontiers. A behaviorally based risk measure with an endogenous or exogenous … benchmark is used to derive efficient portfolios and to analyse the implied equilibrium asset pricing. In risk-value models a …

bubbles. We consider a setting where participants sorted according to their degree of risk aversion trade in experimental … asset markets. We show that risk sorting is able to explain bubbles partially: Markets with the most risk-tolerant traders … exhibit larger bubbles than markets with the most risk averse traders. In our study risk aversion does not correlate with …