Peers with Special Needs: Effects and Policies

We are grateful to the editor and three anonymous referees for helpful comments. The paper has benefited from constructive comments by Massimo Anelli, Joshua Angrist, Eric Bettinger, Anne Ardila Brenøe, Christina Felfe, Joshua Goodman, Bryan Graham, Sandro Heiniger, Edward Lazear, Rafael Lalive, Michael Lechner, Geoff Lindsay, Nicole Maestas, Claudia Persico, Christopher Rauh, Carmit Segal, Ludger Woessmann, and Ulf Zölitz. For the data, we thank the School Psychological Service, the Department of Education St. Gallen, the Stellwerk test service provider, the Swiss Federal Statistical Office, and the Swiss Central Compensation Office. The paper benefited from valuable feedback at the following meetings: the CESifo Conference on Employment and Social Protection, Education Workshop in Catanzaro, Education Workshop in Leuven, European Association of Labor Economics, European Economic Association, German Economic Association, Society of Labor Economists, Swiss Society of Economics and Statistics, Verein für Socialpolitik, and departmental seminars at the universities of Berne, Constance, Göttingen, Groningen, Lucerne, Southern Denmark, St. Gallen, Trier, and Zurich, and seminars at the IAB and IFO. We acknowledge financing from the Swiss National Science Foundation (grant 176381).

A supplemental appendix is available online at https://doi.org/10.1162/rest_a_00960.