THE SZNAJD CONSENSUS MODEL WITH CONTINUOUS OPINIONS

Santo Fortunato ()
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Santo Fortunato: Fakultät für Physik, Universität Bielefeld, D-33501 Bielefeld, Germany

International Journal of Modern Physics C (IJMPC), 2005, vol. 16, issue 01, 17-24

Abstract: In the consensus model of Sznajd, opinions are integers and a randomly chosen pair of neighboring agents with the same opinion forces all their neighbors to share that opinion. We propose a simple extension of the model to continuous opinions, based on the criterion of bounded confidence which is at the basis of other popular consensus models. Here, the opinionsis a real number between 0 and 1, and a parameter ∊ is introduced such that two agents are compatible if their opinions differ from each other by less than ∊. If two neighboring agents are compatible, they take the meansmof their opinions and try to impose this value to their neighbors. We find that if all neighbors take the average opinionsm, the system reaches complete consensus for any value of the confidence bound ∊. We propose as well a weaker prescription for the dynamics and discuss the corresponding results.

Keywords: Sociophysics; Monte Carlo simulations (search for similar items in EconPapers)
Date: 2005
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Citations: View citations in EconPapers (7)

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DOI: 10.1142/S0129183105006917

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