The authors are grateful to seminar participants at Bar-Ilan, Bologna, Einaudi Institute for Economics and Finance, Columbia, Florida, Kadir-Has, Maryland, Milano-Bicocca Oxford, Toulouse, UAB, UB, Universidad Carlos III de Madrid, and UPF; to the Catalan Economics Society Conference, the European University Institute Alumni Conference, the Institute of Labor Economics Workshop on Economics of Education, the Nuremberg Conference on Gender Economics and the Workplace, Simposio of the Spanish Economic Society, Society of Labor Economists, the Workshop on Public Policies: Inequality of Opportunity, the ZEW Mannheim Workshop on the Economics of Higher Education, and the 16th Matching in Practice Workshop; and to Sule Alan, Ghazala Azmat, Juan Dolado, Andrea Ichino, Raquel Fernández, Rosa Ferrer, Naomi Friedman-Sokuler, Libertad González, Nagore Iriberri, Hannes Mueller, Daniele Paserman, Perihan Saygin, and Miguel Urquiola for helpful comments.