On the relationship between hierarchy and type morphisms

Amanda Friedenberg () and Martin Meier ()
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Amanda Friedenberg: W.P. Carey School of Business
Martin Meier: Institut für Höhere Studien

Economic Theory, 2011, vol. 46, issue 3, No 2, 377-399

Abstract: Abstract Here, we establish a relationship between hierarchy and type morphisms. Both concepts have been used to relate the types in one structure to types in a second “larger” structure. In general, the two concepts may differ, in the sense that a hierarchy morphism need not be a type morphism. We provide a necessary and sufficient condition under which the two concepts coincide. We go on to provide situations under which this condition must be satisfied.

Keywords: Hierarchies of beliefs; Type structures; Epistemic game theory; Morphisms (search for similar items in EconPapers)
JEL-codes: C70 C80 (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s00199-010-0517-2

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