English, Article edition: Choice deferral and ambiguity aversion Kopylov, Igor

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Bookmark: http://trove.nla.gov.au/version/111585
Physical Description
  • article
Language
  • English

Edition details

Title
  • Choice deferral and ambiguity aversion
Author
  • Kopylov, Igor
Physical Description
  • article
Notes
  • When confronted with uncertain prospects, people often exhibit both choice deferral and Ellsberg-type ambiguity aversion. This paper obtains a joint representation for these behavioral phenomena. The decision maker as portrayed by my model is willing to choose an uncertain prospect f over g rather than to defer this choice if and only if the expected utility of f is greater that or equal to the expected utility of g for every probability measure in a convex and closed set Delta. This set is interpreted as a collection of the decision maker's possible future beliefs. When choices cannot be deferred, the decision maker evaluates every uncertain prospect via an epsilon-mixture of the least favorable element in the set Delta and her current probabilistic belief p in Delta. All components of my model are derived from observable preferences in an essentially unique way.
  • Choice deferral, ambiguity aversion, epsilon contamination, multiple priors model, subjective probability, Ellsberg Paradox
  • RePEc:the:publsh:498
Language
  • English
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