Note on unawareness: Negative Introspection versus AU Introspection (and KU Introspection)

Yi Chun Chen, Jeffrey C Ely, Xiao Luo*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


We show that under mild conditions, Negative Introspection equals both KU Introspection and AU Introspection for plausible unawareness in a standard state-space model à la Dekel et al. (Econometrica 66:159-173, 1998). If, moreover, the standard state-space model satisfies Non-Delusion and Monotonicity, then AU Introspection alone is equivalent to Negative Introspection. This study provides additional insight into Dekel et al.'s result that standard state-space models preclude sensible unawareness, in terms of how AU Introspection and KU Introspection clash with Plausibility.

Original languageEnglish (US)
Pages (from-to)325-329
Number of pages5
JournalInternational Journal of Game Theory
Issue number2
StatePublished - May 1 2012


  • AU Introspection
  • KU Introspection
  • Negative Introspection
  • Plausibility
  • Standard state-space model
  • Unawareness

ASJC Scopus subject areas

  • Statistics and Probability
  • Mathematics (miscellaneous)
  • Social Sciences (miscellaneous)
  • Economics and Econometrics
  • Statistics, Probability and Uncertainty


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