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...

Former studies have shown that people tend to give buying prices that are lower than selling prices. In our study we investigate if this willingness to accept and willingness to pay disparity sustains for state contingent claims. Contingent claims are defined using risky, ambiguous, and...