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Sex-specific demography and the evolution of gender-biased harmful cultural practices

Project description

Getting to the root of gender-biased behaviours

What are the roots of gender inequalities and biases? Social and evolutionary studies present these issues using a conflict model between sexes, based on classical theories of natural selection. However, there are still other unexplored factors that can explain those phenomena in a deeper way. The EU-funded EvoBias project will explore the alternative role of sex-specific demography by searching for the reasons behind gender-based harmful behaviours in lack of sex and age symmetries in populations. Combining mathematical modelling, comparative studies and research of sociodemographic data, the project will develop and test new evolutionary demographic models presenting the relation between sex ratios and the appearance of specific gender-biased family models and cultural behaviours.

Objective

Cultural practices that are harmful to one sex, but favour the other, are the focus of intense interest in the public eye, the social sciences and the evolutionary human sciences. The foundational work of Hamilton, Bateman and Trivers, showed how kin selection theory provides a framework for understanding the evolutionary basis of conflicts of interest between the sexes and between parents and offspring. However, many gender-biased practices do not seem to fit this classic model of sexual conflict, in which males exploit females for their own mating advantage. Rather than focus on the inherent differences in sexual strategies of males and females, I will explore an alternative explanation, which is sex-specific demography. This framework refocuses attention away from sexual selection, towards patterns of cooperation and conflict within families. If one sex disperses at marriage, that generates sex and age-based asymmetries in relatedness in residential groups, but few theoretical models, or empirical studies, have examined how such demographic effects could explain the origins of gender-biased cultural behaviour. EvoBias will develop and test new evolutionary demographic models that will focus on the role of sex-ratios, sex-biased dispersal and some modes of marriage, in generating gender-biased harmful cultural practices. The behaviours to be studied include: female-biased workloads, witchcraft accusation, sending men to war, sending boys into monastic life, bride-capture and the ‘honour’ killing of women by their own kin. These represent both social issues and evolutionary puzzles. The diverse kinship systems in east and central Asia and sub-Saharan Africa provide opportunities to test these hypotheses. Through a combination of mathematical modelling, comparative studies using the literature and field-based sociodemographic studies, the team will seek evidence that sex-specific demography underpins these gender-biased harmful cultural traditions.

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Programme(s)

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Topic(s)

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Funding Scheme

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ERC-ADG - Advanced Grant

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Call for proposal

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(opens in new window) ERC-2018-ADG

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Host institution

UNIVERSITY COLLEGE LONDON
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 2 396 926,25
Address
GOWER STREET
WC1E 6BT LONDON
United Kingdom

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Region
London Inner London — West Camden and City of London
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 2 396 926,25

Beneficiaries (1)

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