A new model for estimating the probability of information spreading with opinion leaders

Andrea Ellero (), Annamaria Sorato () and Giovanni Fasano ()
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Annamaria Sorato: Department of Management, Università Ca' Foscari Venezia

No 13, Working Papers from Venice School of Management - Department of Management, Università Ca' Foscari Venezia

Abstract: In this paper we analyze some issues related to the general problem of information spreading among individuals, where suitable assumptions on the information exchange are considered. In particular, starting from the scheme proposed in [5], which is based on a majority rule to treat the individualsÕ interaction, we define and introduce special individuals who play a key role in the information spreading. The latter will be addressed as opinion leaders, and have the special feature of strongly interfering with the process based on the majority rule. We consider a new model, where opinion leaders are introduced as special agents, and study its specific properties which significantly recast some conclusions worth for the model in [5]. Finally, we provide some results cocerning the dynamics of the model.

Keywords: Information spreading; GalamÕs model; Opinion leaders (search for similar items in EconPapers)
JEL-codes: C02 C40 (search for similar items in EconPapers)
Pages: 15 pages
Date: 2011-11
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