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A general model of synchronous updating with binary opinions

Alexis Poindron ()
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Alexis Poindron: Centre d'Economie de la Sorbonne - Université Paris 1Panthéon-Sorbonne

Documents de travail du Centre d'Economie de la Sorbonne from Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne

Abstract: We consider a society of agents making an iterated yes/no decision on some issue, where updating is done by mutual influence under a Markovian process. Agents update their opinions at the same time, independently of each other, in an entirely mechanical manner. They can have a favourable or an unfavourable perception of their neighbours. We study the qualitative patterns of this model, which captures several notions, including conformism, anti-conformism, communitarianism and leadership. We discuss under which conditions opinions are stable. Finally, we introduce a notion of entropy that we use to extract information on the society and to predict future opinions

Keywords: opinion dynamics; convergence; absorbing class; groups; entropy (search for similar items in EconPapers)
JEL-codes: C7 D7 D85 (search for similar items in EconPapers)
Pages: 47 pages
Date: 2019-10
New Economics Papers: this item is included in nep-cdm and nep-ore
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ftp://mse.univ-paris1.fr/pub/mse/CES2019/19024.pdf (application/pdf)

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Persistent link: https://EconPapers.repec.org/RePEc:mse:cesdoc:19024

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