This note gives a simple, but useful characterization of optimism and pessimism represented by a convex and concave shift of probability weighting functions, and applies it to two comparative static analysis.

This note gives a simple, but useful characterization of optimism and pessimism represented by a convex and concave shift of probability weighting functions, and applies it to two comparative static analysis.

This paper is concerned with estimating preference functionals for choice under risk from the choice behaviour of individuals. We start from the observation that there is heterogeneity in behaviour between individuals and within individuals. By ‘heterogeneity between individuals’ we mean...

This paper merges the non-expected utility approach (Tversky and Kahneman, J Risk Uncertain 5:297–323, <CitationRef CitationID="CR17">1992</CitationRef> and Quiggin, J Econ Behav Organ 3:323–343, <CitationRef CitationID="CR14">1982</CitationRef>) into Akerlof’s (Quart J Econ 84:488–500, <CitationRef CitationID="CR2">1970</CitationRef>) model of Market for Lemons. We derive the results for different probability...</citationref></citationref></citationref>