∗Data for this research was generously provided by Millennium Research Group (www.mrg.net). Many thanks to Adam Brandenburger, Ali Yurukoglu, Allan Collard-Wexler, Ariel Pakes, Catherine de Fontenay, Gus Stuart, Hong Luo, John Asker, Lúıs Cabral, Melissa Schilling, Michael Katz, and seminar audiences at NYU Stern’s Management Student Brownbag, NYU Stern NASS, and NYU GSAS Microeconomics Student...