The Effects of Widespread Online Education on Market Structure and Enrollment

We thank Claudia Allende, José Ignacio Cuesta, Liran Einav, Matthew Gentzkow, Gautam Gowrisankaran, Caroline Hoxby, Gastón Illanes, Pat Kline, Karthik Muralidharan, Cristóbal Otero, Kiki Pop-Eleches, Anna Popova, Paulo Somaini, and Pietro Tebaldi for helpful conversations and suggestions, and to seminar participants at Chicago Booth, Northwestern University, Stanford University, University of Tokyo, University of Michigan, FGV Sao Paulo, INSPER, PUC Rio, Arizona State University, UC Berkeley, UCLA, Georgetown, CEMFI, IDB, World Bank, NBER Education, RIDGE Forum, SITE, O-Lab Conference, BSE Summer Forum, Northeastern Economics of Education Workshop, and the Bay Area IO Fest for useful comments. We thank Joaquín Fuenzalida for contributions during the early stages of this project. We also thank Romina Quagliotti, José Tomás Feliú, Enrico Ruggeri, and Arthur Weiss for excellent research assistance. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.