We consider a set-up in which a principal must decide whether or not to legalise a socially undesirable activity. The law is enforced by a monitor who may be bribed to conceal evidence of the offence and who may also engage in extortionary practices. The principal only declares the activity...

In this paper we analyze how the technology used by downstream firms can influence inputand output market prices. We show via an example that both these prices increase under adecreasing returns technology while the contrary holds when the technology is constant....

We study the impact of an investigation into collusion and corruption to learn about the organization of cartels in public procurement auctions. Our focus is on Montreal’s asphalt industry, where there have been allegations of bid rigging, market segmentation, complementary bidding and bribes...

I study a case of market sharing agreements to provide evidence of coordination between colluding firms on the degree to which they compete against each other (henceforth referred to as head-to-head competition) and their bidding behavior. I also quantify the impact that coordinating...

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 paper, we present evidence from an actual procurement...

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 paper, we present evidence from an actual procurement...

We study the impact of an investigation into collusion and corruption to learn about the organization of cartels in public procurement auctions. Our focus is on Montreal's asphalt industry, where there have been allegations of bid rigging, market segmentation, complementary bidding and bribes to...

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 paper, we present evidence from an actual procurement...

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 paper, we present evidence from an actual procurement...

I study a case of market sharing agreements to provide evidence of coordination between colluding firms on the degree to which they compete against each other (henceforth referred to as head-to-head competition) and their bidding behavior. I also quantify the impact that coordinating...