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Title:From posteriors to priors via cycles: An addendum PDF Logo
Authors:Hellwig, Martin
Issue Date:2011
Series/Report no.:Preprints of the Max Planck Institute for Research on Collective Goods 2011,7
Abstract:Rodrigues-Neto (2009) has shown that a given specification of posteriors of different players in an incomplete-information setting is compatible with a common prior if and only if the posteriors satisfy the so-called cycle equations. This note shows that, if, for any player, any element of the partition of the this player has a nonempty intersection with any element of the partition of any other player, then it suffices to verify the cycle equations for all cycles of length 4 or less.
Subjects:belief systems
consistency
common priors
cycle equations
JEL:D82
D83
Document Type:Working Paper
Appears in Collections:Preprints of the Max Planck Institute for Research on Collective Goods

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