Sutter, Matthias Max Planck Institute for Research on Collective Goods, Max Planck Society;
https://doi.org/10.1016/j.jebo.2013.01.004 (Any fulltext)
Kocher, M., Pogrebna, G., & Sutter, M. (2013). Other-regarding preferences and leadership styles. Journal of Economic Behavior and Organization, 88, 109-132.