Marie, O. and Zölitz, U. (2017). 'High' achievers? Cannabis access and academic performance Review of Economic Studies, 84(3):1210--1237.
Gerritsen, S., Plug, E. and Webbink, D. (2017). Teacher quality and student achievement: Evidence from a sample of Dutch twins Journal of Applied Econometrics, 32(3):643--660.