Differences in prices paid by putative class members (quot;price dispersionquot;) often become a focal point for class certification in antitrust matters. This paper discusses how an economic analysis of the existence, extent, and nature of price dispersion faced by plaintiffs seeking class...

This paper presents several methods and discusses salient issues pertaining to the use of reduced-form models to estimate overcharges in antitrust matters (e.g., price-fixing) where “but-for” prices may be less than actual prices during the anticompetitive period. In particular, two common...

One purpose in awarding economic damages is to make a plaintiff “whole” by returning them to the same economic position they would have been in absent some challenged conduct. A key concept inherent in such damages assessments is that of the “but-for market.” Because damages often are...

This article discusses the economic principles behind the ability of a dominant firm to leverage its market power over one product into another market using a tying arrangement like that described in the Webkinz Antitrust Litigation. A simple example is presented to illustrate that under certain...

While it is recognized that MFNs may be pro-competitive, there has been increased antitrust scrutiny regarding their potential anticompetitive effects, which is the focus of this article. A standard price-setting duopoly model is used to illustrate these concerns and to show that the...

In Leegin, the SCOTUS overturned its previous decision in Dr. Miles by holding that minimum resale price maintenance (“RPM”) between a manufacturer and its downstream dealers/retailers now must be analyzed under the rule-of-reason standard under federal antitrust law. This article discusses...

Although there is a general recognition that trade benefits consumers, there is little research that estimates the direct impact of increased trade on U.S. citizens. We take broad measures of the economic impact of trade liberalization from three authoritative studies and quantitatively estimate...

Event studies are an analytical tool used in a wide range of circumstances to empirically assess the economic or financial impact of unexpected events or the release of new information. This article briefly describes their use in analyzing natural experiments to inform geographic market...