1. Martin, J. W.*, Jordan, J.J*. , Rand, D.G., & Cushman, F.  (2019). When do we punish people who don’t? Cognition. PDF

2. Jordan, J.J. & Rand, D.G. (2019). Signaling when nobody is watching: A reputation heuristics account of outrage and punishment in one-shot anonymous interactions. Journal of Personality and Social Psychology. PDF

3. Jordan, J.J. (2017). Which accusations stick? (News and Views) Nature Human Behaviour, 2, 19-20. PDF

4. Perc, M., Jordan, J.J., Rand, D.G., Wang, Z., Boccaletti, S., & Szolnoki, A. (2017). Statistical physics of human cooperationPhysics Reports, 687, 1-51. PDF

5. Jordan, J.J. & Rand, D. G. (2017). Third-party punishment as a costly signal of high continuation probabilities in repeated gamesJournal of Theoretical Biology, 421, 189-202. PDF

6. Jordan, J.J., Sommers, R., Bloom, P., & Rand, D.G.  (2017). Why do we hate hypocrites? Evidence for a theory of false signaling. Psychological Science, 28 (3), 356-368. PDF

7. Jordan, M.R.*, Jordan, J.J*. & Rand, D.G.  (2017). No unique effect of intergroup competition on cooperation: Noncompetitive thresholds are as effective as competitions between groups for increasing human cooperative behavior. Evolution and Human Behavior, 38 (1), 102-108. PDF.

8. Jordan, J.J., Hoffman, M., Nowak, M.A., & Rand, D.G. (2016). Uncalculating cooperation is used to signal trustworthiness. Proceedings of the National Academy of Sciences, 113 (31), 8658–8663. PDF

9. Jordan, J.J., Hoffman, M., Bloom, P., & Rand, D.G. (2016). Third-party punishment as a costly signal of trustworthiness. Nature, 530, 473-476. PDF

10. Jordan, J.J., McAuliffe, K., & Rand, D. G. (2015). The effects of endowment size and strategy method on third-party punishment. Experimental Economics, 19 (4), 741-763. PDF

11. McAuliffe, K., Jordan, J.J., & Warneken, F. (2015). Costly third-party punishment in young children. Cognition, 134, 1-10. PDF

12. Jordan, J.J., Peysakhovich, A., & Rand, D. G. (2015). Why we cooperate. The Moral Brain: Multidisciplinary Perspectives. Cambridge: MIT Press. PDF

13. Capraro, V., Jordan, J.J. & Rand, D. G. (2014). Heuristics guide the implementation of social preferences in one-shot prisoner’s dilemma experiments. Scientific Reports, 4. PDF

14. Jordan, J.J., McAuliffe, K., & Warneken, F. (2014). Development of in-group favoritism in children’s third-party punishment of selfishness. Proceedings of the National Academy of Sciences, 111(35), 12710-12715. PDF

15. Jordan, J.J., Rand D.G., Arbesman, S., Fowler, J.H., & Christakis, N.A. (2013). Contagion of cooperation in static and fluid social networks. PLoS ONE. 8(6): e66199. doi:10.1371/journal.pone.0066199.PDF


1. Jordan, J.J. & Kteily, N.S. Punitive but discriminating: Reputation fuels ambiguously-deserved punishment but also sensitivity to moral nuance. URL

2. Jordan, J.J. & Kouchaki, M. Virtuous Victims. URL

3. Capraro, V.*, Jordan, J.J.*, & Tappin, B.M.* Does observability amplify sensitivity to moral frames? Evaluating a reputation-based account of moral preferences. URL

4. Jordan, J.J., Yoeli, E., & Rand, D.G. Don’t get it or don’t spread it? Comparing self-interested versus prosocially framed COVID-19 prevention messaging. URL

*Joint first-authorship