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ELLSBERG'S PARADOX AND THE VALUE OF CHANCES

机译:埃尔斯伯格悖论和机会价值

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摘要

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.
机译:我们应该给获得机会的机会赋予什么价值?本文认为,与广泛接受的冯·诺依曼和摩根斯坦理论相反,某些良好G的机会值可能是G值的非线性函数。特别是,机会的边际效用可能减小,即被称为机会不确定性厌恶的属性。代理人反对机会不确定性的假设解释了在埃尔斯伯格悖论中经常观察到的一种偏好模式。尽管通常采用这些偏好来驳斥贝叶斯决策理论,但事实表明,机会风险规避与之完全兼容。

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