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dissent does so even more; (3) When leaders of democratic nations seek to forge an economic consensus, they are unwittingly …
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In this paper we axiomatically characterize two recursive procedures for defining a social group. The first procedure starts with the set of all individuals who are defined by everyone in the society as group members, while the starting point of the second procedure is the set of all individuals...
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overstate their opinion. We model opinion formation as a dynamic process and identify conditions for convergence to consensus …. Studying the consensus in detail, we show that an agent's social in uence on the consensus opinion is increasing in network … consensus as an estimator for the true state of the world. We show that a society is \wise, i.e. the mean squared error is …
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We study social learning in a large population of agents who only observe the actions taken by their neighbours. Agents have to choose one, out of two, reversible actions, each optimal in one, out of two, unknown states of the world. Each agent chooses rationally, on the basis of private...
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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...
Persistent link: https://www.econbiz.de/10010357984
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'...
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