Sutter, Matthias Max Planck Institute for Research on Collective Goods, Max Planck Society;
http://ftp.iza.org/dp9314.pdf (beliebiger Volltext)
Sutter, M., Oberauer, M., & Yilmaz, L. (2015). Delay of Gratification and the Role of Defaults: An Experiment with Kindergarten Children. Economics Letters, 137, 21-24.