Powers, S. T., & Lehmann, L. (2017). When is bigger better? The effects of group size on the evolution of helping behaviours: Effects of group size on evolution of helping. Biological Reviews, 92(2), (902-920). doi:10.1111/brv.12260. ISSN 1464-7931
This is the peer reviewed version of the following article: Powers, S. T. and Lehmann, L. (2017), When is bigger better? The effects of group size on the evolution of helping behaviours. Biol Rev, 92: 902–920. doi:10.1111/brv.12260, which has been published in final form at http://dx.doi.org/10.1111/brv.12260. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Sociality; cooperation; altruism; reciprocity; punishment; relatedness; cultural evolution; group size; diminishing returns; institutions;