3 results

When is bigger better? The effects of group size on the evolution of helping behaviours: Effects of group size on evolution of helping

Journal Article
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. https://doi.org/10.1111/brv.12260
Understanding the evolution of sociality in humans and other species requires understanding how selection on social behaviour varies with group size. However, the effects of g...

How institutions shaped the last major evolutionary transition to large-scale human societies

Journal Article
Powers, S. T., van Schaik, C. P., & Lehmann, L. (2016)
How institutions shaped the last major evolutionary transition to large-scale human societies. Philosophical Transactions B: Biological Sciences, 371(1687), 20150098. https://doi.org/10.1098/rstb.2015.0098
What drove the transition from small-scale human societies centred on kinship and personal exchange, to large-scale societies comprising cooperation and division of labour amo...

The co-evolution of social institutions, demography, and large-scale human cooperation

Journal Article
Powers, S. T., & Lehmann, L. (2013)
The co-evolution of social institutions, demography, and large-scale human cooperation. Ecology Letters, 16(11), 1356-1364. https://doi.org/10.1111/ele.12178
Human cooperation is typically coordinated by institutions, which determine the outcome structure of the social interactions individuals engage in. Explaining the Neolithic tr...