Utilizing Connor's International Cartel Database and employing difference-in-differences methodology, we find that market concentration, the number of buyers and cartel duration have significant impacts on cartel overcharges. We also find that the European Commission's 2006 guidelines on the...

Utilizing Connor's International Cartel Database and employing difference-in-differences methodology, we find that market concentration, the number of buyers and cartel duration have significant impacts on cartel overcharges. We also find that the European Commission's 2006 guidelines on the...

Although citizens value competitive markets and support small businesses, we observe substantial variation in market concentration. Why do politicians abstain from taking action to reduce concentration? We propose an often overlooked political benefit to concentrated markets: When concentration...