ArticleHuman nature (Hawthorne, N.Y.)2014
Intergenerational and sibling conflict under patrilocality. A model of reproductive skew applied to human kinship.
Article in Human nature (Hawthorne, N.Y.), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Resources modify the associations between kin and fertility in historical Finland.Evolutionary human sciences · 2026Article
- Avoidance of reproductive conflict and the evolution of menopause in chimpanzees.Royal Society open science · 2025Article
- Post-marital residence patterns and the timing of reproduction: evidence from a matrilineal society.Proceedings. Biological sciences · 2023Article
- Kin networks and opportunities for reproductive cooperation and conflict among hunter-gatherers.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2023Article
- Religious celibacy brings inclusive fitness benefits.Proceedings. Biological sciences · 2022Article
- Same-sex competition and sexual conflict expressed through witchcraft accusations.Scientific reports · 2022Article
- How evolutionary behavioural sciences can help us understand behaviour in a pandemic.Evolution, medicine, and public health · 2020Review
- Kinship as a frequency dependent strategy.Royal Society open science · 2016Article
- Parental investment in child health in sub-Saharan Africa: a cross-national study of health-seeking behaviour.Royal Society open science · 2016Article
- A test of the intergenerational conflict model in Indonesia shows no evidence of earlier menopause in female-dispersing groups.Proceedings. Biological sciences · 2014Article
- Eusociality: from the first foragers to the first states. Introduction to the special issue.Human nature (Hawthorne, N.Y.) · 2014Article
- Article
- Not leaving home: grandmothers and male dispersal in a duolocal human society.Behavioral ecology : official journal of the International Society for Behavioral EcologyArticle
- Marriage stability in a pastoralist society.Behavioral ecology : official journal of the International Society for Behavioral EcologyArticle
- Grandparental co-residence and grandchild survival: the role of resource competition in a pre-industrial population.Behavioral ecology : official journal of the International Society for Behavioral EcologyArticle
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Authors and funding
3 authors.
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Abstract
Here we argue that models developed to examine cooperation and conflict in communal breeders, using a "tug-of-war" model of reproductive skew generated by incomplete control, are an appropriate way to model human kinship systems. We apply such models to understand the patterns of effort put into competition between father and son and between brothers in conflict over family resources in a patrilineal kinship system. Co-resident kin do not necessarily emerge with equal shares of the cake in terms of reproductive output. The models show that, depending on the efficiency with which they can gain more control of the resource, on the marriage system, and on the relatedness of the partners in conflict, individuals can do better to help their relatives breed rather than fight each other for the resources needed to reproduce. The models show that when a son's father is still breeding with his mother, sons should not compete for any share of reproduction. However, under polygyny, increased effort is spent on father/son and brother/brother conflict. Fathers will win the majority of reproduction if dominant to sons (in contrast to the finding that daughters-in-law win in conflict over mothers-in-law in patrilocal kinship systems, which has been suggested as explaining the evolution of menopause). Hence who wins in the sharing of reproduction depends not just on which sex disperses but also on the relative competitive ability of all individuals to exploit family resources. Anthropologists have long argued that cultural norms can reduce conflict. These formal evolutionary models help us to quantify the effects of reproductive conflict in families, throwing light on the evolutionary basis not just of patterns of reproductive scheduling, but also human kinship and marriage systems.
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