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Pré-Publication, Document De Travail Année : 2014

Rumors and Social Networks

Résumé

Why do people spread rumors? This paper studies the transmission of possibly false information---by rational agents who seek the truth. Unbiased agents earn payoffs when a collective decision is correct in that it matches the true state of the world, which is initially unknown. One agent learns the underlying state and chooses whether to send a true or false message to her friends and neighbors who then decide whether or not to transmit it further. The papers hows how a social network can serve as a filter. Agents block messages from parts of the network that contain many biased agents; the messages that circulate may be incorrect but sufficiently informative as to the correct decision.
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Dates et versions

halshs-00966234 , version 1 (26-03-2014)

Identifiants

  • HAL Id : halshs-00966234 , version 1

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Francis Bloch, Gabrielle Demange, Rachel Kranton. Rumors and Social Networks. 2014. ⟨halshs-00966234⟩
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