John M. Connor, Sep 28, 2011 In the old days-before price-fixing became illegal nearly everywhere-cartels operated in the public sphere. In some cases, the formation of a new cartel would…

Dennis Carlton, Mar 14, 2011 The application of economics to issues involving competition policy has always required a mixture of economic theory and empirical analysis. As any good lawyer knows,…

Benjamin Brown, Oct 31, 2011 In the U.S. antitrust merger enforcement community, many believed that the Department of Justice (“DOJ”) would sue to enjoin any attempt to further consolidate among…

Sonia Jaffe, Glen Weyl, Mar 14, 2011 The innovations of the new U.K. and U.S. merger guidelines released last year have excited many economists. On the one hand, they apply…

David Evans, Robert Litan, Richard Schmalensee, Mar 30, 2011 The Board of Governors of the Federal Reserve System (“Board”) is the latest of a series of central banks and antitrust…

Jean Tirole, Mar 30, 2011 A key input of our modern economies, payment cards are ubiquitous; debit and credit cards offer a wide range of alternatives to cash and checks to operate…

Simon Baxter, Nikolaos Peristerakis, Apr 15, 2011 On March 4, 2010, the Ministry of Corporate Affairs of India published a Notification according to which the merger-related Sections 5 and 6…

Julie Brill, May 20, 2011 Privacy issues are becoming increasingly important during this time of rapid technological advance. This article addresses the important question of how the FTC might balance the consumer…

Richard Schmalensee, Jun 01, 2011 Let me now turn to the broad consensus on market definition among leading authorities. I don’t have time-and I doubt you have the patience-to go…

Donald Falk, Marcia Goodman, Archis Parasharami, Aug 16, 2011 Last year we reported on the en banc Ninth Circuit’s pathbreakingly broad decision affirming the certification of a class of 1.5…

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…