In this issue: The focus of much of this issue concerns digital media and communications, but first we introduce CPI’s new publishing technology with two audio interviews with leading competition authorities. Then we look at the interplay among online communications platforms, consumer privacy, and consumer protection. We examine what import a price of zero has for […]

Practical Aspects of Aftermarkets in European Competition Law

John Temple Lang, May 20, 2011 An “aftermarket” is a market for the supply of products or services needed for or in connection with the use of a relatively long-lasting piece of equipment that has already been acquired. Aftermarkets give rise to several kinds of questions under competition law. Does a relevant market for competitive analysis consist of separate […]


In this issue: Our Autumn 2010 issue has cartels as its primary focus. Doug Ginsburg & Josh Wright argue for increasing punishment to the business people who participate in these price-fixing schemes. Competition authority heads Pieter Kalbfleisch and Mariana Tavares react as do economist Joe Harrington and lawyer Don Klawiter. Continuing the cartel theme are […]


In this issue: CPI’s Spring 2010 issue takes a comprehensive look at behavioral economics. Behavioral economics is still controversial and its implications for public policy are just now being fully explored. The articles in this issue make a substantial contribution in assessing where, if anywhere, behavioral economics is relevant to antitrust and the increasingly related […]

CPI 5(2)

This Autumn 2009 issue marks several anniversaries; it is the tenth volume of CPI, the end of our fifth year, and the last issue we will publish in the first decade of the 21st century. From the Editor David Evans, Nov 01, 2009 From the Editor: CPI Autumn 2009 This Autumn 2009 issue marks several […]

Introduction to Harberger’s Monopoly and Resource Allocation–The Pioneering Article on Deadweight Loss and Empirical Measurement of the Social Costs of Monopoly

Hill Wellford, Nov 01, 2009 Arnold Harberger´s 1954 article, Monopoly and Resource Allocation,brought empirical analysis of the social costs of monopoly into the mainstream of antitrust work. In the mid-twentieth century, the dominant mode of monopoly analysis in the United States (and therefore worldwide) was structural rather than empirical, and that structural approach supported a […]


From the Editor David Evans, Apr 30, 2009 From the Editor: Spring 2009 The contributors to this issue well deserve thanks from the editorial team and our readers. Judicial Issues From Both Sides of the Atlantic Vivien Rose, Apr 30, 2009 Margins of Appreciation: Changing Contours in Community and Domestic Case Law This article considers […]

CPI 4(2)

From the Editor David Evans, Nov 01, 2008 From the Editor: Autumn 2008 Over 90 percent of antitrust litigation in the United States is filed by private plaintiffs, sometimes as class actions, and always seeking treble damages. As Judge Douglas Ginsburg and Leah Brannon have observed in these pages, such cases have been the source […]

” Dynamic Competition” Does Not Excuse Monopolization

Jonathan Baker, Nov 01, 2008 In the 2004 Trinko decision, Justice Antonin Scalia, writing for the Supreme Court, depicted “monopoly power, and the concomitant charging of monopoly prices” as “an important element of the free-market system.” Scalia argued that “the opportunity to charge monopoly prices—at least for a short period . . . induces risk […]

CPI 4(1)

A Colloquy on the CFI’s Judgment in Microsoft Eleanor Fox, Apr 24, 2008 Microsoft (EC) and Duty to Deal: Exceptionality and the Transatlantic Divide This article examines Microsoft´s offense in withholding full information to its workgroup server operating systems rivals so that they could not interoperate with Microsoft´s systems as seamlessly as Microsoft could. Daniel […]