Dyble, M;
(2021)
The evolution of altruism through war is highly sensitive to population structure and to civilian and fighter mortality.
Proceedings of the National Academy of Sciences
, 118
(11)
, Article e2011142118. 10.1073/pnas.2011142118.
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Abstract
Many evolutionary theorists have suggested that the human capacity for altruism was forged in war, with cohesive and altruistic groups outcompeting their selfish neighbors. Assessing this “parochial altruism” hypothesis relies largely on computational modeling. Here, I reexamine a well-known model that explores the coevolution of altruism and war. As well as clarifying the importance of factors such as the lethality of war to fighters and civilians, the results show that the evolution of altruism in this model relies on a degree of genetic differentiation between groups that exceeds that seen among hunter-gatherers. Furthermore, when the model produces a more realistic population structure, altruism does not evolve, casting doubt on the plausibility of the parochial altruism hypothesis.
| Type: | Article |
|---|---|
| Title: | The evolution of altruism through war is highly sensitive to population structure and to civilian and fighter mortality |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1073/pnas.2011142118 |
| Publisher version: | http://dx.doi.org/10.1073/pnas.2011142118 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL SLASH UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Dept of Anthropology |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10123741 |
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