Clark, Robert; Coviello, Decio; de Leverano, Adriano - 2020
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 …