The authors would like to thank Heski Bar-Isaac, Tommaso Bondi, Rahul Deb, Xavier D’Haultfoeuille, Natalia Fabra, Alina Ferecatu, Roxana Fernandez, Duarte Gonçalvez, Matilde Machado, Leonardo Madio, Sridhar Moorthy, Yeşim Orhun, Pedro Rey Biel, Navdeep Sahni, Avner Strulov-Shlain, Kevin Ducbao Tran, Mark J. Tremblay, and Thibaud Vergé. Helpful feedback was received at the internal seminars at Universidad Carlos III de Madrid, CREST, University of Toronto, and University of Nevada; the 19th International Industrial Organization Conference, the 22nd ACM Conference on Economics and Computation (EC’21), the 50th European Association Research Industrial Economics Conference, and the Behavioral Industrial Organization & Marketing Symposium. All errors are the authors’.