Sutter, Matthias Max Planck Institute for Research on Collective Goods, Max Planck Society;
https://doi.org/10.1287/mnsc.1110.1466 (Any fulltext)
Goette, L., Huffman, D., & Sutter, M. (2012). Competition Between Organizational Groups: Its Impact on Altruistic and Antisocial Motivations. Management Science, 58, 948-960.