This paper analyses a dynamic auction in which a fraction of each bid is sunk. Jump bidding is used by bidders to signal their private information. Bluffing (respectively sandbagging) occurs when a weak (respectively strong) player seeks to deceive his opponent into thinking that he is strong...

In a rational choice model of parole release, a color-blind parole board seeking to minimize violations would release all prisoners below a certain risk threshold. To test this prediction, we extend the outcome-test methodology used in assessing discrimination in police searches. We overcome the...