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KDI 경제교육·정보센터

ENG
  • 경제배움
  • Economic

    Information

    and Education

    Center

전망·동향
Meaningful Information
CEPR
2026.06.25
I study how to measure information transmission when agents have misspecified priors, misinterpret signals, or update beliefs in a non-Bayesian way. I axiomatize and characterize measures of \emph{meaningful information transmission} that account for both the objective features of a signal structure and agents‘ (mis)interpretations of it. Meaningful information measures coincide with canonical ones under correct Bayesian beliefs, but otherwise extend them in a disciplined way grounded in the same underlying decision geometry. I then estimate meaningful information in three empirical applications and show that it can diverge sharply from canonical measures.