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Trust and manipulation in social networks

Manuel Förster; Ana Mauleon; Vincent J. Vannetelbosch
We investigate the role of manipulation in a model of opinion formation. Agents repeatedly communicate with their neighbors in the social network, can exert effort to manipulate the trust of others, and update their opinions about some common issue by taking weighted averages of neighbors' opinions. The incentives to manipulate are given by the agents' preferences. We show that manipulation can modify the trust structure and lead to a connected society. Manipulation fosters opinion leadership, but the manipulated agent may even gain influence on the long-run opinions. Finally, we investigate the tension between information aggregation and spread of misinformation.
Year of publication:
2014
Authors: Förster, Manuel ; Mauleon, Ana ; Vannetelbosch, Vincent J.
Publisher: Milano : Fondazione Eni Enrico Mattei
Subject: Social networks | Trust | Manipulation | Opinion leadership | Consensus | Wisdom of Crowds | Soziales Netzwerk | Social network | Vertrauen | Confidence | Social Web | Social web | Theorie | Theory | Meinung | Opinion
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