# English, Article, Journal or magazine article edition: Comparison of Information Structures Olivier Gossner

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Bookmark: http://trove.nla.gov.au/version/153430
Physical Description
• preprint
Language
• English

### Edition details

Title
• Comparison of Information Structures
Author
• Olivier Gossner
Physical Description
• preprint
Notes
• We introduce two ways of comparing information structures, say ${\cal I}$ and ${\cal J}$. First we say that ${\cal I}$ is richer than ${\cal J}$ when for every compact game $G$, all correlated equilibrium distributions of $G$ induced by ${\cal J}$ are also induced by ${\cal I}$. Second, we say that ${\cal J}$ is faithfully reproducable from ${\cal I}$ when all the players can compute from their information in ${\cal I}$ new information'' that they could have received from ${\cal J}$. We prove that ${\cal I}$ is richer than ${\cal J}$ if and only if ${\cal J}$ is faithfully reproducable from ${\cal I}$.
• Game--theory, information, correlation
• RePEc:upf:upfgen:169
Language
• English
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