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 …

investigation into collusion and corruption in the Quebec construction industry launched in October 2009 to capture the end of this … cartel. I find that after this date, the two suspected firms i) were more likely to bid in the same auction and ii) submitted … significantly lower bids when they competed in the same auction. A structural model of entry and bidding shows that if the firms had …

settings in which the class of optimal mechanisms has a deferred acceptance auction representation which allows an … implementation with a descending-clock auction. Only in the case of symmetric projects do price clocks descend synchronously such …

procurement auction formats can take advantage of bidders' willingness-to-pay-willingness-to-accept disparity. In a laboratory … experiment, we compare four different second-price auction formats for procuring a good. The four formats are a sealed …-bid auction and three di erent descending-clock auctions. We assume that a bidder's willingness-to-accept exceeds his willingness …

procedure: The procurer awards the contract via a price-only auction and cannot commit not to renegotiate. If cost differences … price exceeds the initial price. Moreover, the procurer cannot benefit from using a multi-dimensional auction, i.e., under … the optimal scoring auction each supplier proposes the standard design. …

that might fail to deliver. The buyer conducts a procurement auction to determine contract suppliers and can choose between … auctions. Academic research on multi-sourcing procurement auction typically analyzes these auctions as stand-alone events. In … contrast, we investigate the influence of the auction design on the post-auction market structure and identify an effect …