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Explaining Attitudes Towards Ambiguity: An Experimental Test Of The Comparative Ignorance Hypothesis

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  • Paul Dolan
  • Martin Jones

Abstract

Many theories have been put forward to explain attitudes towards ambiguity. This paper reports on an experiment designed to test for the existence of Comparative Ignorance when it is tested over events with a range of different likelihoods. A total of 93 subjects valued a series of gambles, one of which was played out for real. The results do not lend support to the theory, although the relationship between risk and ambiguity does appear to correspond with other theories and previous empirical work.

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  • Paul Dolan & Martin Jones, 2004. "Explaining Attitudes Towards Ambiguity: An Experimental Test Of The Comparative Ignorance Hypothesis," Scottish Journal of Political Economy, Scottish Economic Society, vol. 51(3), pages 281-301, August.
    • Handle: RePEc:bla:scotjp:v:51:y:2004:i:3:p:281-301
    DOI: 10.1111/j.0036-9292.2004.00307.x
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    Cited by:

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    2. Feduzi, Alberto, 2007. "On the relationship between Keynes's conception of evidential weight and the Ellsberg paradox," Journal of Economic Psychology, Elsevier, vol. 28(5), pages 545-565, October.
    3. Aurélien Baillon, 2008. "Eliciting Subjective Probabilities Through Exchangeable Events: An Advantage and a Limitation," Decision Analysis, INFORMS, vol. 5(2), pages 76-87, June.
    4. Jonathan E. Alevy, 2011. "Ambiguity in Individual Choice and Market Environments: On the Importance of Comparative Ignorance," Working Papers 2011-04, University of Alaska Anchorage, Department of Economics.
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