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dc.contributor.authorGossner, Olivieren
dc.contributor.authorKalai, Ehuden
dc.contributor.authorWeber, Roberten
dc.date.accessioned2009-09-04-
dc.date.accessioned2012-07-12T12:33:46Z-
dc.date.available2012-07-12T12:33:46Z-
dc.date.issued2009-
dc.identifier.urihttp://hdl.handle.net/10419/59640-
dc.description.abstractIn Bayesian environments with private information, as described by the types of Harsanyi, how can types of agents be (statistically) disassociated from each other and how are such disassociations reflected in the agents' knowledge structure? Conditions studied are (i) subjective independence (the opponents' types are independent conditional on one's own) and (ii) type disassociation under common knowledge (the agents' types are independent, conditional on some common-knowledge variable). Subjective independence is motivated by its implications in Bayesian games and in studies of equilibrium concepts. We find that a variable that disassociates types is more informative than any common-knowledge variable. With three or more agents, conditions (i) and (ii) are equivalent. They also imply that any variable which is common knowledge to two agents is common knowledge to all, and imply the existence of a unique common-knowledge variable that disassociates types, which is the one defined by Aumann.en
dc.language.isoengen
dc.publisher|aNorthwestern University, Kellogg School of Management, Center for Mathematical Studies in Economics and Management Science |cEvanston, ILen
dc.relation.ispartofseries|aDiscussion Paper |x1476en
dc.subject.jelD80en
dc.subject.jelD82en
dc.subject.jelC70en
dc.subject.ddc330en
dc.subject.keywordBayesian gamesen
dc.subject.keywordindependent typesen
dc.subject.keywordcommon knowledgeen
dc.subject.stwBayes-Statistiken
dc.subject.stwAsymmetrische Informationen
dc.subject.stwInformationsökonomiken
dc.subject.stwTheorieen
dc.titleInformation independence and common knowledge-
dc.typeWorking Paperen
dc.identifier.ppn608267473en
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungenen
dc.identifier.repecRePEc:nwu:cmsems:1476en

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