Subjective uncertainty over behavior strategies: A correction

Eddie Dekel; Drew Fudenberg; David K. Levine

doi:10.1006/jeth.2001.2866

Subjective uncertainty over behavior strategies: A correction

Eddie Dekel, Drew Fudenberg^*, David K. Levine

^*Corresponding author for this work

Economics

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

In order to model the subjective uncertainty of a player over the behavior strategies of an opponent, one must consider the player's beliefs about the opponent's play at information sets that the player thinks have probability zero. This corregendum uses "trembles" to provide a definition of the convex hull of a set of behavior strategies. This corrects a definition we gave in [E. Dekel, D. Fudenberg, and D. K. Levine, 1999, J. Econ. Theory 89, 165-185], which led to two of the solution concepts we defined there not having the properties we intended. Journal of Economic Literature Classification Numbers: C72, D82, C610.

Original language	English (US)
Pages (from-to)	473-478
Number of pages	6
Journal	Journal of Economic Theory
Volume	104
Issue number	2
DOIs	https://doi.org/10.1006/jeth.2001.2866
State	Published - 2002

Keywords

Behavior strategies
Extensive-form games
Rationalizability
Self-confirming equilibrium
Subjective uncertainty

ASJC Scopus subject areas

Economics and Econometrics

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10.1006/jeth.2001.2866

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title = "Subjective uncertainty over behavior strategies: A correction",

abstract = "In order to model the subjective uncertainty of a player over the behavior strategies of an opponent, one must consider the player's beliefs about the opponent's play at information sets that the player thinks have probability zero. This corregendum uses {"}trembles{"} to provide a definition of the convex hull of a set of behavior strategies. This corrects a definition we gave in [E. Dekel, D. Fudenberg, and D. K. Levine, 1999, J. Econ. Theory 89, 165-185], which led to two of the solution concepts we defined there not having the properties we intended. Journal of Economic Literature Classification Numbers: C72, D82, C610.",

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note = "Funding Information: 1This work was supported by the National Science Foundation under Grants 99-86170, 97-30181, and 97-30943. Please send correspondence to: Drew Fudenberg, Department of Economics, Harvard University, Cambridge, MA 02138.",

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