Network Ecology of Marriage

August 06, 2023 Β· Declared Dead Β· πŸ› arXiv.org

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Authors Tamas David-Barrett arXiv ID 2310.05928 Category physics.soc-ph Cross-listed cs.SI, econ.TH, q-bio.PE, q-bio.QM Citations 1 Venue arXiv.org Last Checked 4 months ago
Abstract
The practice of marriage is an understudied phenomenon in behavioural sciences despite being ubiquitous across human cultures. This modelling paper shows that replacing distant direct kin with in-laws increases the interconnectedness of the family social network graph, which allows more cooperative and larger groups. In this framing, marriage can be seen as a social technology that reduces free-riding within collaborative group. This approach offers a solution to the puzzle of why our species has this particular form of regulating mating behaviour, uniquely among pair-bonded animals.
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