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 paper documents evidence of widespread collusion among construction firms using a novel dataset covering most of the construction projects procured by the Japanese national government from 2003 to 2006. By examining rebids that occur for auctions when all (initial) bids fail to meet the...

Based on the literature on public procurement regulation, we use an Agent-Based Model to assess the performance of different selection procedures. Specifically, we aim at investigating whether and how the inclusion of reputation of firms in the public procurement selection process affects the...