Issues in antitrust enforcement / Johan Stennek -- Instruments for cartel deterrence, and conflicts of interests / C(c)Øecile Aubert -- Lessons for competition policy from the vitamins cartel / Matthew E. Raiff -- Effectiveness of antitrust sanctions on modern international cartels / John M. Connor -- The economics of tacit collusion : implications for merger control / Jean Tirole -- The economics and politics of international merger enforcement : a case study of the GE/Honeywell merger / Jay Pil Choi -- Remembrance of things past : antitrust, ideology, and the development of industrial economics / Stephen Martin -- The political economy of EU merger control : small vs. large member states / Johan Stennek -- A consumer surplus defense in merger control / Sven-Olof Fridolfsson -- EU merger remedies : an empirical assessment / Burcin Yurtoglu -- The significant impediment of effective competition test in the new European merger regulation : in theory and practice / Marc Ivaldi -- Vertical restraints and the effects of upstream horizontal mergers / Gregory J. Werden -- Political stabilization by an independent regulator / David Martimort -- Saving section 2 : reframing U.S. monopolization law / Timothy J. Brennan -- Private antitrust litigation : procompetitive or anticompetitive? / Sue H. Mialon -- Antitrust in open economies / Henrik Horn -- The impact of the corporate leniency program on cartel formation and the cartel price path / Joseph E. Harrington Jr -- Optimal fines in the era of whistleblowers : should price fixers still go to prison? / Giancarlo Spagnolo