DYNAMICS OF DISCRETE OPINIONS WITHOUT COMPROMISE

M. Kaan Öztürk ()
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M. Kaan Öztürk: Department of Information Systems and Technologies, Yeditepe University, 34755 Ataşehir, Istanbul, Turkey

Advances in Complex Systems (ACS), 2013, vol. 16, issue 06, 1-24

Abstract: A new agent-based, bounded-confidence model for discrete one-dimensional opinion dynamics is presented. The agents interact if their opinions do not differ by more than a tolerance parameter. In pairwise interactions, one of the pair, randomly selected, converts to the opinion of the other. The model can be used to simulate cases where no compromise is possible, such as choices of substitute goods, or other exclusive choices. The homogeneous case with maximum tolerance is equivalent to the Gambler's Ruin problem. A homogeneous system always ends up in an absorbing state, which can have one or more surviving opinions. An upper bound for the final number of opinions is given. The distribution of absorption times fits the generalized extreme value distribution. The diffusion coefficient of an opinion increases linearly with the number of opinions within the tolerance parameter. A general master equation and specific Markov matrices are given. The software code developed for this study is provided as a supplement.

Keywords: Opinion dynamics; diffusion; bounded confidence; agent-based modeling; cellular automata; noncompromise model (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:wsi:acsxxx:v:16:y:2013:i:06:n:s0219525913500100

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DOI: 10.1142/S0219525913500100

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