A note on Aumann and Serrano's index of riskiness

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We present a new implication of Aumann and Serrano's (2008) index of riskiness for decision makers: if one gamble is riskier than another gamble, decision makers whose initial wealth level is above a certain threshold, and who reject the less risky gamble, will also reject the riskier one. A similar (but not identical) result is shown for multiplicative gambles.

Original languageEnglish
Pages (from-to)9-11
Number of pages3
JournalEconomics Letters
StatePublished - 1 Jun 2015

Bibliographical note

Publisher Copyright:
© 2015 Elsevier B.V.


  • Acceptance dominance
  • Risk
  • Risk aversion
  • Stochastic dominance


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