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Title:Evolution of theories of mind PDF Logo
Authors:Mohlin, Erik
Issue Date:2010
Series/Report no.:SSE/EFI Working Paper Series in Economics and Finance 728
Abstract:This paper studies the evolution of peoples' models of how other people think - their theories of mind. First, this is formalized within the level-k model, which postulates a hierarchy of types, such that type k plays a k times iterated best response to the uniform distribution. It is found that, under plausible conditions, lower types co-exist with higher types. The results are extended to a model of learning, in which type k plays a k times iterated best response the average of past play. The model is also extended to allow for partial observability of the opponent's type.
Subjects:Theory of Mind
Depth of Reasoning
Evolution
Learning
Level-k
Fictitious Play
Cognitive Hierarchy
JEL:C72
C73
D01
D03
D83
Document Type:Working Paper
Appears in Collections:SSE/EFI Working Paper Series in Economics and Finance, EFI - The Economic Research Institute, Stockholm School of Economics

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