In this journal, James Langenfeld critically reviewed four of the present authors' articles that analyze the size of cartel overcharges and their antitrust policy implications. In this comment, we explain why we believe Langenfeld errs in his criticism of our work. In particular, this comment...

Closing the loopholes of downstream application of the Capper-Volstead exemption in the food system and pay for delay in pharmaceuticals is an important advance in US and EU antitrust norms. First, pay-for-delay conduct has been harmful for pharmaceuticals customers. After ten years of...

Empirical studies of serial collusion and recidivism in business conduct are rare. The purposes of this paper are to identify and assess alternative measures of serial collusion by price-fixing cartelists and to examine the relationship of serial collusion to the effectiveness of cartels. Two...