Sutter, Matthias Max Planck Institute for Research on Collective Goods, Max Planck Society;
https://doi.org/10.1016/j.econlet.2013.06.005 (Any fulltext)
Linder, F., & Sutter, M. (2013). Level-k reasoning and time pressure in the 11-20 money request game. Economics Letters, 120(3), 542-545.