Procurement practices are affected by uncertainty regarding suppliers' costs, the nature of competition among suppliers, and uncertainty regarding possible collusion among suppliers. Buyers dissatisfied with bids of incumbent suppliers can cancel their procurements and resolicit bids after...

We investigate cartelists’ merger behavior using European Commission (EC) cartel decisions over a 28-year span and information on cartelists’ merger activities over the last 30 years. We find that mergers occur frequently. But they cluster in a few particular industries and usually include...