Himmler, Oliver Max Planck Institute for Research on Collective Goods, Max Planck Society;
Weinschenk, Philipp Max Planck Institute for Research on Collective Goods, Max Planck Society;
https://www.aeaweb.org/articles?id=10.1257/app.20170288 (Any fulltext)
Himmler, O., Jäckle, R., & Weinschenk, P. (2019). Soft Commitments, Reminders, and Academic Performance. American Economic Journal: Applied Economics, 11(2), 114-142.