Opinion dynamics and wisdom under conformity
Tim Hellmann and
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Berno Buechel: Center for Mathematical Economics, Bielefeld University
Stefan Klößner: Center for Mathematical Economics, Bielefeld University
No 469, Center for Mathematical Economics Working Papers from Center for Mathematical Economics, Bielefeld University
We study a dynamic model of opinion formation in social networks. In our model, boundedly rational agents update opinions by averaging over their neighbors' expressed opinions, but may misrepresent their own opinion by conforming or counter-conforming with their neighbors. We show that an agent's social influencev on the long-run group opinion is increasing in network centrality and decreasing in conformity. For efficiency of information aggregation (\wisdom"), misrepresentation of opinions need not undermine wisdom. Given the network, we provide the optimal distribution of conformity levels in the society and show which agents should be more conforming in order to increase wisdom.
Keywords: conformity; eigenvector centrality; social networks; consensus; wisdom of crowds; opinion leadership (search for similar items in EconPapers)
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https://pub.uni-bielefeld.de/download/2674005/2674007 First Version, 2013 (application/pdf)
Journal Article: Opinion dynamics and wisdom under conformity (2015)
Working Paper: Opinion Dynamics and Wisdom under Conformity (2014)
Working Paper: Opinion Dynamics and Wisdom under Conformity (2013)
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Persistent link: https://EconPapers.repec.org/RePEc:bie:wpaper:469
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