Interactive Knowledge with Unawareness

Jing Li ()

PIER Working Paper Archive from Penn Institute for Economic Research, Department of Economics, University of Pennsylvania

Abstract: This paper extends Li (2008b) to the multi-agent environment, where players reason about each other’s awareness as well as knowledge, subject to their own awareness constraints. I characterize the interactive knowledge hierarchies under unawareness, which significantly differ from those in the standard information partition model by allowing for false interactive knowledge. Aumann’s classic characterization of common knowledge does not immediately apply in this environment, even if there is “common awareness†of the event involved. An alternative characterization of common knowledge is provided.

Keywords: unawareness; state space models; interactive knowledge; common knowledge (search for similar items in EconPapers)
JEL-codes: C70 C72 D80 D82 D83 (search for similar items in EconPapers)
Pages: 21 pages
Date: 2008-06-01
New Economics Papers: this item is included in nep-gth and nep-knm
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:pen:papers:08-023

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