Interim correlated rationalizability

Eddie Dekel*, Drew Fudenberg, Stephen Morris

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This paper proposes the solution concept of interim correlated rationalizability, and shows that all types that have the same hierarchies of beliefs have the same set of interim-correlated-rationalizable outcomes. This solution concept characterizes common certainty of rationality in the universal type space.

Original languageEnglish
Pages (from-to)15-40
Number of pages26
JournalTheoretical Economics
Issue number1
StatePublished - Mar 2007


  • Common certainty
  • Common knowledge
  • Incomplete information
  • Rationalizability
  • Universal type space


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