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1 results

  • ELLSBERG’S PARADOX AND THE VALUE OF CHANCES

  • Richard Bradley
  • Journal:
    Economics & Philosophy / Volume 32 / Issue 2 / July 2016
    Published online by Cambridge University Press:
    01 December 2015, pp. 231-248

  • What value should we put on our chances of obtaining a good? This paper argues that, contrary to the widely accepted theory of von Neumann and Morgenstern, the value of a chance of some good G may be a non-linear function of the value of G. In particular, chances may have diminishing marginal utility, a property that is termed chance uncertainty aversion. The hypothesis that agents are averse to uncertainy about chances explains a pattern of preferences often observed in the Ellsberg paradox. While these preferences have typically been taken to refute Bayesian decision theory, it is shown that chance risk aversion is perfectly compatible with it.