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Perfect Bayesian equilibrium

In game theory, a Perfect Bayesian Equilibrium (PBE) is a solution with Bayesian probability to a turn-based game with incomplete information. More specifically, it is an equilibrium concept that uses Bayesian updating to describe player behavior in dynamic games with incomplete information. Perfect Bayesian equilibria are used to solve the outcome of…

PBE in multi-stage games, Examples of perfect Bayesian equilibria & Overview

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Example
signaling game
Proposed by
Cho and Kreps[citation needed]
Subset of
Bayesian Nash equilibrium
Used for
Dynamic Bayesian games

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Overview

Examples of perfect Bayesian equilibria

PBE in multi-stage games

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Perfect Bayesian equilibrium

Nodes29
Edges28
Triples4
Avg. degree1.93
Density0.068966
Components1

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Perfect Bayesian equilibrium

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Example · 1
Perfect Bayesian equilibrium → signaling game
Proposed by · 1
Perfect Bayesian equilibrium → Cho and Kreps[citation needed]
Subset of · 1
Perfect Bayesian equilibrium → Bayesian Nash equilibrium
Used for · 1
Perfect Bayesian equilibrium → Dynamic Bayesian games

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Important terminology

equilibrium game displaystyle player sender bayesian cost information probability give beliefs perfect games friend belief gift players receiver receiver's day

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SubjectPredicateObjectConfidenceSrc
Perfect Bayesian equilibriumExamplesignaling game1.00infobox
Perfect Bayesian equilibriumProposed byCho and Kreps[citation needed]1.00infobox
Perfect Bayesian equilibriumSubset ofBayesian Nash equilibrium1.00infobox
Perfect Bayesian equilibriumUsed forDynamic Bayesian games1.00infobox

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