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...

This article shows that private enforcement of the U. S. antitrust laws-which usually is derided as essentially worthless-serves as a more important deterrent of anticompetitive behavior than the most esteemed antitrust program in the world, criminal enforcement by the Antitrust Division of the...

This paper experimentally analyzes the effects of non-discriminatory and discriminatory leniency policies on hard-core cartels. We design a mechanism to form a hard-core cartel, which allows that multiple ringleaders emerge. Ringleaders often take a leading role in the coordination and formation...

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...

This article analyzes the first 22 cartel decisions of the European Commission under its 2006 revised fining Guidelines. I find that the severity of the cartel fines relative to affected sales is about double that of the fines decided under the previous 1998 Guidelines. Severity varies only...

The following charts illustrate the global size and economic impacts of the modern international cartel movement and the enforcement responses of the world’s antitrust authorities and national courts. The sample encompasses 640 private hard-core cartels that were subject to government or...

This paper assesses the antitrust fines and private penalties imposed on the participants of 260 international cartels discovered during 1990-2005, using four indicators of enforcement effectiveness. First, the United States is almost always the first to investigate and sanction international...