Cultural diversity and wisdom of crowds are mutually beneficial and evolutionarily stable

Abstract The ability to learn from others (social learning) is often deemed a cause of human species success. But if social learning is indeed more efficient (whether less costly or more accurate) than individual learning, it raises the question of why would anyone engage in individual information s...

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Autores principales:	Benoît de Courson, Léo Fitouchi, Jean-Philippe Bouchaud, Michael Benzaquen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/03650f0c8b5146c1b73f631d539c4c1b
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spelling	oai:doaj.org-article:03650f0c8b5146c1b73f631d539c4c1b2021-12-02T16:45:41ZCultural diversity and wisdom of crowds are mutually beneficial and evolutionarily stable10.1038/s41598-021-95914-72045-2322https://doaj.org/article/03650f0c8b5146c1b73f631d539c4c1b2021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95914-7https://doaj.org/toc/2045-2322Abstract The ability to learn from others (social learning) is often deemed a cause of human species success. But if social learning is indeed more efficient (whether less costly or more accurate) than individual learning, it raises the question of why would anyone engage in individual information seeking, which is a necessary condition for social learning’s efficacy. We propose an evolutionary model solving this paradox, provided agents (i) aim not only at information quality but also vie for audience and prestige, and (ii) do not only value accuracy but also reward originality—allowing them to alleviate herding effects. We find that under some conditions (large enough success rate of informed agents and intermediate taste for popularity), both social learning’s higher accuracy and the taste for original opinions are evolutionarily-stable, within a mutually beneficial division of labour-like equilibrium. When such conditions are not met, the system most often converges towards mutually detrimental equilibria.Benoît de CoursonLéo FitouchiJean-Philippe BouchaudMichael BenzaquenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Benoît de Courson Léo Fitouchi Jean-Philippe Bouchaud Michael Benzaquen Cultural diversity and wisdom of crowds are mutually beneficial and evolutionarily stable
description	Abstract The ability to learn from others (social learning) is often deemed a cause of human species success. But if social learning is indeed more efficient (whether less costly or more accurate) than individual learning, it raises the question of why would anyone engage in individual information seeking, which is a necessary condition for social learning’s efficacy. We propose an evolutionary model solving this paradox, provided agents (i) aim not only at information quality but also vie for audience and prestige, and (ii) do not only value accuracy but also reward originality—allowing them to alleviate herding effects. We find that under some conditions (large enough success rate of informed agents and intermediate taste for popularity), both social learning’s higher accuracy and the taste for original opinions are evolutionarily-stable, within a mutually beneficial division of labour-like equilibrium. When such conditions are not met, the system most often converges towards mutually detrimental equilibria.
format	article
author	Benoît de Courson Léo Fitouchi Jean-Philippe Bouchaud Michael Benzaquen
author_facet	Benoît de Courson Léo Fitouchi Jean-Philippe Bouchaud Michael Benzaquen
author_sort	Benoît de Courson
title	Cultural diversity and wisdom of crowds are mutually beneficial and evolutionarily stable
title_short	Cultural diversity and wisdom of crowds are mutually beneficial and evolutionarily stable
title_full	Cultural diversity and wisdom of crowds are mutually beneficial and evolutionarily stable
title_fullStr	Cultural diversity and wisdom of crowds are mutually beneficial and evolutionarily stable
title_full_unstemmed	Cultural diversity and wisdom of crowds are mutually beneficial and evolutionarily stable
title_sort	cultural diversity and wisdom of crowds are mutually beneficial and evolutionarily stable
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/03650f0c8b5146c1b73f631d539c4c1b
work_keys_str_mv	AT benoitdecourson culturaldiversityandwisdomofcrowdsaremutuallybeneficialandevolutionarilystable AT leofitouchi culturaldiversityandwisdomofcrowdsaremutuallybeneficialandevolutionarilystable AT jeanphilippebouchaud culturaldiversityandwisdomofcrowdsaremutuallybeneficialandevolutionarilystable AT michaelbenzaquen culturaldiversityandwisdomofcrowdsaremutuallybeneficialandevolutionarilystable
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Cultural diversity and wisdom of crowds are mutually beneficial and evolutionarily stable

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