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RIEB, Kobe University Site Map Access 日本語 Home Research & Education Publications RIEB Discussion Paper Series (English) RIEB Discussion Paper Series No.2015-28 RIEB Discussion Paper Series No.2015-28 Title Robust Predictions under Finite Depth of Reasoning Abstract When players have a finite depth of reasoning, it is usually assumed that each player has a commonly known anchor behavior. This paper provides a general framework to examine whether predictions are robust to uncertainty about other players' anchors. We give two different sufficient conditions for the robustness. The first condition shows that any p-dominant equilibrium is robust if players put sufficiently small probability (decreasing in p) on high-depth types. This result highlights a distinction between two prominent finite depth of reasoning models: a risk dominated equilibrium is robust in the cognitive hierarchy model, but not in the level-k model. We also show that equilibria of dominance solvable models are robust. Keywords Robustness, Iterative reasoning, Level-k model, Cognitive-hierarchy model, Higher-order belief, Bounded rationality Inquiries Kota MURAYAMA Department of Economics, Northwestern University,2001 Sheridan Road, Evanston, IL 60208, USA About RIEB Faculty Seminars at RIEB Research & Education Sections Kobe University Site Policy Site Map Access Contact Us Copyright©1996-2018 Research Institute for Economics and Business Administration, Kobe University. All Rights Reserved.