Abstract This paper demonstrates that people manipulate their ambiguity aversion when it is self-serving. In an online experiment, subjects are asked to choose between a selfish option and an altruistic option. Under the altruistic option, the charity’s payoff depends on an ambiguous lottery,...

This paper explores how an individual can deceive herself in order to acquire a more favorable self-view. I present a theoretical model and a laboratory experiment in which each subject's donation to a charity gets transformed into an ambiguous lottery, i.e., a lottery where the winning...

The innocence problem, which occurs when an innocent person is falsely accused or convicted of a crime, is impossible to study with empirical data, because “true” innocence and guilt are unobservable in the “real world.” In this study, we replicate the criminal justice system in the...

We analyze symmetric, two-bidder all-pay auctions with interdependent valuations and discrete type spaces. Relaxing previous restrictions on the distribution of types and the valuation structure, we present a construction that characterizes all symmetric equilibria. We show how the search...