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The dynamics of public opinion under majority rules

Ianni, Antonella and Corradi, Valentina (2002) The dynamics of public opinion under majority rules The Review of Economic Design, 7, (3), pp. 257-277. (doi:10.1007/s100580200079).

Record type: Article


This note explains the process of public opinion formation via a locally interactive, space-time analysis. The model we use is a special case of the general framework for modelling social interaction proposed in Blume and Durlauf (2001). In the reduced form of the model we study how each individual, when faced with the choice of one, out of two, opinions, tends to conform to the opinion held by the majority of her neighbours. We consider different, symmetric and asymmetric, majority rules. Depending on the specific behavioral rule, the aggregate process of opinion formation may display contagion on one specific opinion, or consensus among all individuals in the population, or co-existence of both opinions. Whenever consensus obtains, we observe the formation of homogeneous areas ( clusters) that seem almost stationary along the dynamics

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Published date: November 2002
Keywords: majority rules, public opinion, contagion, co-existence, clustering, local interaction


Local EPrints ID: 71106
ISSN: 1434-4742
PURE UUID: 9db42df1-3ffe-4ca6-80ea-8cbc703d108a

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Date deposited: 20 Jan 2010
Last modified: 19 Jul 2017 00:01

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Author: Antonella Ianni
Author: Valentina Corradi

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