Ellsberg Revisited: An Experimental Study
Econometrica · 2007 · Volume 75 · Issue 2
DOI: 10.1111/j.1468-0262.2006.00755.x
Abstract
An extension to Ellsberg's experiment demonstrates that attitudes to ambiguity and compound objective lotteries are tightly associated. The sample is decomposed into three main groups: subjective expected utility subjects, who reduce compound objective lotteries and are ambiguity neutral, and two groups that exhibit different forms of association between preferences over compound lotteries and ambiguity, corresponding to alternative theoretical models that account for ambiguity averse or seeking behavior.
Keywords
Uncertainty aversion, probabilistic sophistication, reduction of compound lotteries, nonexpected utility, maxmin expected utility, anticipated utility, rank dependent utility, recursive utility, compound independence, bundling, rule rationality
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