Collusion likely has adverse effects on social welfare. In this paper, we study collusion in the e-procurement market … collusion detection algorithm on a sample of 863 prosecuted collusive firms that participated in 23,515 tenders …

A number of recent papers have proposed that a pattern of isolated winning bids may be associated with collusion. In … contrast, others have suggested that bid clustering, especially of the two lowest bids, is indicative of collusion. In this …, whose asphalt industry has not been the subject of collusion allegations. Our findings provide causal evidence that the …

We study the impact of an investigation into collusion and corruption to learn about the organization of cartels in … investigation in Montreal and in Quebec City, where there have been no allegations of collusion or corruption. We find that entry …

investigation into collusion and corruption in the Quebec construction industry launched in October 2009 to capture the end of this …

theoretical literature, increases the risk of collusion in the presence of corruption. Such problems are more likely to arise in …

This study explores stability in efficient collusion in government procurement auctions. In first- and second …-price auctions with independent private values, we look at the possibility of vetoing collusion mechanisms and the learning of the …

’ perspective, public procurement needs to take place in an environment free from collusion between tenderers, or bid rigging …

This paper documents evidence of widespread collusion among construction firms using a novel dataset covering most of … for auctions when all (initial) bids fail to meet the reserve price, we identify collusion using ideas similar to …