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).


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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

Item Type: Article
Digital Object Identifier (DOI): doi:10.1007/s100580200079
ISSNs: 1434-4742 (print)
Keywords: majority rules, public opinion, contagion, co-existence, clustering, local interaction
ePrint ID: 71106
Date :
Date Event
November 2002Published
Date Deposited: 20 Jan 2010
Last Modified: 18 Apr 2017 21:05
Further Information:Google Scholar

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