Risk and time are intertwined. The present is known while the future is inherently risky. Discounted expected utility … robust violations of discounted expected utility, inconsistent with both prospect theory probability weighting and models …

We formulate a simple quantum decision model of the Ellsberg paradox. We report the results of an experiment we …

aversion. This paper obtains a joint representation for these behavioral phenomena. The decision maker as portrayed by my model … is willing to choose an uncertain prospect f over g rather than to defer this choice if and only if the expected utility … of f is greater that or equal to the expected utility of g for every probability measure in a convex and closed set Delta …