We implement an experiment to elicit subjects’ ambiguity attitudes in the spirit of Ellsberg’s three-color urn. The … experimenters). We use this device in order to eliminate possible ‘strategic’ ambiguity related to subjects’ beliefs about the … experimenters’ motivations. In addition, we survey 40 experimental studies on Ellsberg’s two- and three-color problems, and find that …

We describe an ambiguity hedging problem in Ellsberg experiments, where combinations of individually ambiguous bets …

preferences. We test the descriptive validity of these rationality arguments with a dynamic version of Ellsberg's three color …

Many theories of updating under ambiguity assume either dynamic consistency or consequentialism to underpin …