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Large networks of rational agents form persistent echo chambers

Abstract:

Echo chambers (ECs) are enclosed epistemic circles where like-minded people communicate and reinforce pre-existing beliefs. It remains unclear if cognitive errors are necessarily required for ECs to emerge, and then how ECs are able to persist in networks with available contrary information. We show that ECs can theoretically emerge amongst error-free Bayesian agents, and that larger networks encourage rather than ameliorate EC growth. This suggests that the network structure itself contribut...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1038/s41598-018-25558-7

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Institution:
University of Oxford
Division:
Social Sciences Division
Department:
SOGE
Subgroup:
Geography
Role:
Author
ORCID:
0000-0003-2405-8496
More by this author
Institution:
University of Oxford
Division:
Social Sciences Division
Department:
SOGE
Subgroup:
Geography
Oxford college:
St Catherines College
Role:
Author
Publisher:
Springer Nature Publisher's website
Journal:
Scientific Reports Journal website
Volume:
8
Issue:
1
Pages:
Article: 12391
Publication date:
2018-08-17
Acceptance date:
2018-04-04
DOI:
ISSN:
2045-2322
Pubs id:
pubs:909931
URN:
uri:d7ea8bcd-8277-471a-9181-60eea39a653d
UUID:
uuid:d7ea8bcd-8277-471a-9181-60eea39a653d
Local pid:
pubs:909931
Language:
English

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