Blackwell's informativeness theorem using diagrams

Henrique Roscoe De Oliveira

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


This paper gives a simple proof of Blackwell's theorem on the ranking of information structures. The proof extends naturally to environments where information arrives over time (leading to the notion of adapted garbling) and environments where information is diffused among multiple players (leading to the notion of independent garbling).

Original languageEnglish (US)
Pages (from-to)126-131
Number of pages6
JournalGames and Economic Behavior
StatePublished - May 1 2018

All Science Journal Classification (ASJC) codes

  • Finance
  • Economics and Econometrics


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