Connor and Lande (2008) conducted a survey of cartels and found a mean overcharge estimate in the range of 31% to 49%. By examining more sources, Connor (2010) finds a mean of 50.4% for successful cartels. However, the data that are used in those studies are estimates that are obtained from...

We analyze challenges and pitfalls faced by antitrust authorities in the fining of cartels. We review economics and legal approaches to cartel fining and the sometimes-conflicting objectives of restitution, deterrence, and proportionality. We also discuss various theoretical and empirical...