Henrich, J., McElreath, R., Barr, A., Ensminger, J., Barrett, C., Bolyanatz, A., … Ziker, J. (2006). Costly Punishment across Human Societies. Science, 312(5781), 1767–70. http://doi.org/10.1126/science.1127333
Herrmann, B., & Thöni, C. (2009). Measuring conditional cooperation: A replication study in Russia. Experimental Economics, 12(1), 87–92. https://doi.org/10.1007/s10683-008-9197-1
Bateson, M., Nettle, D., & Roberts, G. (2006). Cues of being watched enhance cooperation in a real-world setting. Biology Letters, 2(3), 412–414. https://doi.org/10.1098/rsbl.2006.0509
Brown, J. M. (2018). Efficient, Adaptable Simulations: A Case Study of a Climate Negotiation Game. Journal of Political Science Education, 14(4), 511–522. https://doi.org/10.1080/15512169.2018.1431129
Fehr, E., & Gächter, S. (1999). Cooperation and punishment in public goods experiments (No. 10). ETH Zürich: Research Collection. Zürich. Retrieved from https://doi.org/10.3929/ethz-a-004372724
Fischbacher, U., & Gächter, S. (2008). Social preferences, beliefs, and the dynamics of free riding in public good experiments (No. CESifo Working Paper no. 2491). Retrieved from https://www.econstor.eu/handle/10419/26536
Fischbacher, U., Gächter, S., & Fehr, E. (2001). Are People Conditionally Cooperative? Evidence from a Public Goods Experiment. Economics Letters, 71(3), 397–404. https://doi.org/10.1016/S0165-1765(01)00394-9