Persuasion bias, social influence, and uni-dimensional opinions
Dimitri Vayanos and
LSE Research Online Documents on Economics from London School of Economics and Political Science, LSE Library
We propose a boundedly rational model of opinion formation in which individuals are subject to persuasion bias; that is, they fail to account for possible repetition in the information they receive. We show that persuasion bias implies the phenomenon of social influence, whereby one’s influence on group opinions depends not only on accuracy, but also on how well-connected one is in the social network that determines communication. Persuasion bias also implies the phenomenon of unidimensional opinions; that is, individuals’ opinions over a multidimensional set of issues converge to a single “left-right” spectrum. We explore the implications of our model in several natural settings, including political science and marketing, and we obtain a number of novel empirical implications.
JEL-codes: J1 (search for similar items in EconPapers)
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Published in Quarterly Journal of Economics, August, 2003, 118(3), pp. 909-968. ISSN: 0033-5533
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Journal Article: Persuasion Bias, Social Influence, and Unidimensional Opinions (2003)
Working Paper: Persuasion Bias, Social Influence, and Uni-Dimensional Opinions (2001)
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Persistent link: https://EconPapers.repec.org/RePEc:ehl:lserod:454
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