This article presents the first experiment exploring the impact of debarments - the exclusion of colluding bidders - on collusion in procurement auctions. We find that debarments and their most common alternative, fines, reduce collusion and bids relative to a market with no sanction. The...

This article explores the impact of procedural information on the behavior of applicants under two of the most commonly used school admissions procedures: the Gale-Shapley mechanism and the Boston mechanism. In a lab experiment, I compare the impact of information about the mechanism,...

Existing models of regret aversion assume that individuals can make an ex-post comparison between their choice and a foregone alternative. Yet in many situations such a comparison can be made only if someone else chose the alternative option. We develop a model where regret-averse agents must...