Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/59659 
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dc.contributor.authorBörgers, Tilmanen
dc.contributor.authorHernando-Veciana, Angelen
dc.contributor.authorKröhmer, Danielen
dc.date.accessioned2010-10-22-
dc.date.accessioned2012-07-12T12:34:00Z-
dc.date.available2012-07-12T12:34:00Z-
dc.date.issued2010-
dc.identifier.urihttp://hdl.handle.net/10419/59659-
dc.description.abstractThe paper introduces a notion of complementarity (substitutability) of two signals which requires that in all decision problems each signal becomes more (less) valuable when the other signal becomes available. We provide a general characterization which relates complementarity and substitutability to a Blackwell comparison of two auxiliary signals. In a setting with a binary state space and binary signals, we find an explicit characterization that permits an intuitive interpretation of complementarity and substitutability. We demonstrate how these conditions extend to more general settings.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 |x1488en
dc.subject.jelC00en
dc.subject.jelC44en
dc.subject.jelD81en
dc.subject.jelD83en
dc.subject.ddc330en
dc.subject.keywordComplementarityen
dc.subject.keywordsubstitutabilityen
dc.subject.keywordvalue of informationen
dc.subject.keywordBlackwell orderingen
dc.titleWhen are signals complements or substitutes?-
dc.typeWorking Paperen
dc.identifier.ppn637424891en
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungenen
dc.identifier.repecRePEc:nwu:cmsems:1488en

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