In subjective expected utility (SEU) the decision weights people attach to events are their beliefs about the likelihood of events. Much empirical evidence, inspired by Ellsberg (1961) and others, shows that people prefer to bet on events they know more about, even when their beliefs are held...

The "disposition effect" is the tendency to sell assets that have gained value ("winners") and keep assets that have lost value ("losers"). Disposition effects can be explained by two elements of prospect theory: The idea that people value gains and losses relative to the initial purchase price...

In economic analyses of asymmetric information, better-informed agents are assumed capable of reproducing the judgments of less-informed agents. The authors discuss a systematic violation of this assumption that they call the "curse of knowledge." Better-informed agents are unable to ignore...