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Groups and Clusters. A new approach to collective beliefs in unorganized groups| old_uid | 13488 |
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| title | Groups and Clusters. A new approach to collective beliefs in unorganized groups |
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| start_date | 2014/02/21 |
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| schedule | 11h30-13h |
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| online | no |
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| summary | I would like to argue in favor of a new approach to collective beliefs in unorganized groups, based on the idea of doxastic clustering.
When a group does not have dedicated mechanisms for production of collective beliefs, and when individual beliefs of members of the group are diverse, it does not make much sense to attribute to the group some average beliefs or any other kind of collective beliefs produced by aggregating individual beliefs. Rather, beliefs are meaningfully attributed to coherent subgroups of individuals who share similar opinions.
In this case, attribution of collective beliefs involves both clustering, that is partitioning the group into coherent doxastic units, and aggregation, that is aggregating individual opinions within coherent clusters. Adapting standard judgment aggregation theory, I propose a formal framework for doxastic clustering and provide an axiomatic characterization of majoritarian intra-cluster aggregation. |
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| responsibles | Schlenker |
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