Collusion among bidders is a recurring problem in both public and private procurements. This is evident from recent U.S. enforcement actions and those of other jurisdictions across the globe targeting bid-rigging cartels and resulting in substantial fines, civil damages, and terms of...

In this paper we apply a general model of one-sided and two-sided platform businesses to a collusive framework which we model as joint profit maximization. We have a particular interest in how the social loss and other metrics depend on the strength of the network (direct or indirect) effect. We...

In this paper, we examine price movements over time around the collapse of a bid-rigging conspiracy. While the mean decreased by sixteen percent, the standard deviation increased by over two hundred percent. We hypothesize that conspiracies in other industries would exhibit similar...

Despite the successes of cartel detection over the last twenty years, there are many who believe that competition authorities have just started to scratch the surface. The focus of this note is to make the case that proactive detection and deterrence policies need to be established, and that...