Research topics in unilateral effects analysis / Jon Baker and David Reitman -- Lightening up on market definition / David Evans -- Mergers that eliminate potential competition / John Kwoka -- Tying, bundling, and loyalty/requirement rebates / Nicholas Economides -- Predatory pricing / Aaron Edlin -- Assessing resale price maintenance after Leegin / Ben Klein -- The plausibility of Twombly : proving horizontal agreements After Twombly / Alvin K. Klevorick and Issa B. Kohler-Hausmann -- Monopsony, monopsony power, and antitrust policy / Roger Blair and Jessica Haynes -- Issues in antitrust enforcement / Abraham Wickelgren -- Antitrust law in global markets / Anu Bradford -- Antitrust and regulation / Howard Shelanski -- The intersection of patent and antitrust law / Chris Sprigman -- Antitrust damages / Dan Rubinfeld