The Importance of Disagreeing: Contrarians and Extremism in the CODA model

Details The Importance of Disagreeing: Contrarians and Extremism in the CODA model The Importance of Disagreeing: Contrarians and Extremism in the CODA model

2009-01-18

arxiv.org/abs/0901.2737v1

Advances in Complex Systems, v. 13, p. 621-634, 2010

Physics

Physics and Society

14 pages, 9 figures

Scientific paper

10.1142/S0219525910002773

In this paper, we study the effects of introducing contrarians in a model of Opinion Dynamics where the agents have internal continuous opinions, but exchange information only about a binary choice that is a function of their continuous opinion, the CODA model. We observe that the hung election scenario still exists here, but it is weaker and it shouldn't be expected in every election. Finally, we also show that the introduction of contrarians make the tendency towards extremism of the original model weaker, indicating that the existence of agents that prefer to disagree might be an important aspect and help society to diminish extremist opinions.

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