Sutter, Matthias Max Planck Institute for Research on Collective Goods, Max Planck Society;
https://doi.org/10.1111/j.1468-0297.2004.00966.x (Any fulltext)
Kocher, M., & Sutter, M. (2005). The Decision Maker Matters: Individual Versus Group Behaviour in Experimental Beauty-Contest Games. Economic Journal, 115, 200-223.