Collusion among bidders is a recurring problem in both public and private procurements. This is evident from recent U … the only means by which the integrity of such procurement processes can be undermined; individuals with purchasing … authority have facilitated bid-rigging cartels in return for bribes or kickbacks. Such corruption can therefore operate hand …

This paper investigates links between corruption and collusion in procurement. A first-price multiple-object auction is … with corruption, collusion is more likely in auctions where firms are small relative to the market. Our main message to … auction designers, competition authorities and criminal courts is that risks of collusion and of corruption must be addressed …

This paper explores the impact of debarment as a deterrent of collusion in first-price procurement auctions. We develop … a procurement auction model where bidders can form bidding rings, and derive the bidding and collusive behavior under no … both reduce collusion and bids. The deterrent effect of debarment increases in its length. However, the debarment of …