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

Looking at the table, identify if the claim is entailed, neutral, or refuted. Return the result as JSON: {"answer": "YOUR ANSWER"}.

Claim: The Perfect Bayesian equilibrium is a stable system.

answer: refuted