This paper surveys developments in analytical models and empirical findings concerning the strategic use of manufacturers' coupons for U.S. grocery products. Traditional theories examine the horizontal effects of coupons as a strategy to charge various classes of consumers different prices....

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...

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...

While there are suggestions in applied cartel studies that price dispersion changes when cartelization of a market occurs, there are few theoretical or empirical analyses of this effect. This paper surveys the thin economic literature on the link between overt collusion and price dispersion....