Better to be the first to detect, the first to report, and the first to benefit from leniency...Rosa Abrantes-Metz (Global Econ. Group, Stern School of Business)

Once one accepts that two-sided markets are different, one wonders whether competition authorities have, so far, been doing everything wrong. Lapo Filistrucchi, Tilburg Univ. & Univ. of Florence

Surprisingly, concentrated markets can be welfare-improving when search engines are not able to subsidize (or charge) searchers for their clicking behavior. Renato Gomes, Toulouse School of Economics

The differences between traditional markets and two-sided markets need to be understood as much by regulators as those operating in the markets.Shanker Singham & Kaushal Sharma, Squire Sanders & Dempsey and Competition Commission of India

A seeming lack of price competition to one set of consumers may mask competition for another, related set of consumers. Joshua Gans, University of Melbourne

How can some platforms offer less choice and yet charge more to participate? Hanna Hałaburda & Mikołaj Jan Piskorski, Harvard Business School

Courts and regulators should recognize the very important contribution that informative comparative advertising makes to competition. David S. Evans (Univ. of Chicago) & Elisa Mariscal (CIDE & ITAM)

Once one accepts that two-sided markets are different, one wonders whether competition authorities have, so far, been doing everything wrong. Lapo Filistrucchi, Tilburg Univ. & Univ. of Florence

Why was one traditional, well established plus-factors pleading “plausible†and a very similar one “implausible� Chris Sagers (Cleveland State Univ.)

Minn-Chem v. Agrium is the latest in a long line of opinions reflecting courts’ suspicions of private plaintiff efforts to expand the scope of private antitrust enforcement. Max Huffman (Indiana Univ.)