Erratum to: "Sufficiency in Blackwell's theorem" [Math. Social Sci. 46(1) (2003) 21-25]

Agnieszka Bielinska-Kwapisz

Mathematical Social Sciences, 2009, vol. 58, issue 1, 142-144

Abstract: If one information service is more informative than another, then any agent values it more. In fact, the opposite implication is also true, and this characterization is the celebrated theorem of Blackwell. We present here a short proof. This is a correction of our earlier attempt.

Keywords: Blackwell; Information; service; Information; theory (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matsoc:v:58:y:2009:i:1:p:142-144

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