Ancestral kinship patterns substantially reduce the negative effect of increasing group size on incentives for public goods provision

Hannes Rusch

Journal of Economic Psychology, 2018, vol. 64, issue C, 105-115

Abstract: Numerous theories on the evolution of altruistic in-group beneficial behavior in humans exist. Many of these abstract away from the effects of kinship on incentives for public goods provision, though. Here, a simple model is devised that illustrates how genetic relatedness changes the incentive structure of that paradigmatic game which is conventionally used to model and experimentally investigate collective action problems: the linear public goods game. Using recent anthropological data sets on relatedness in contemporary hunter-gatherer and horticulturalist societies the parameters of the model are estimated. It turns out that the kinship patterns observed in these societies substantially reduce the negative effect of increasing group size on incentives for public goods provision. It is suggested, therefore, that renewed attention should be given to inclusive fitness theory in the context of public goods provision also in sizable groups.

Keywords: Public goods; Inclusive fitness; Altruism; Relatedness; Kinship (search for similar items in EconPapers)
JEL-codes: B15 C72 D64 H41 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:joepsy:v:64:y:2018:i:c:p:105-115

DOI: 10.1016/j.joep.2017.12.002

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