We study antitrust enforcement in which the fine must obey four legal principles: punishments should fit the crime, proportionality, bankruptcy considerations, and minimum fines. We integrate these legal principles into an infinitely-repeated oligopoly model, where bankruptcy considerations...

We study antitrust enforcement that channels price-fixing incentives through setting fines and allocating resources to detection activities. Antitrust fines obey four legal principles: punishments should fit the crime, proportionality, bankruptcy considerations, and minimum fines. Bankruptcy...

EU and U.K. antitrust are contingent upon rigorous enforcement and the imposition of sanctions. Hard enforcement is key; antitrust loses its effect when it does not “bite.” Soft instruments (non-adversarial, informal) and negotiated penalty settlements may be used, but authorities are...

Based on a sample of 64 cartels convicted by the European Commission from 1975 to 2009 and a methodology allowing to estimate restitution and dissuasive fines to be imposed on cartels from microeconomic variables on a case by case basis, this paper compares the level of fines actually inflicted...