Abstract Much of the evidence supporting the Ellsberg's paradox comes from experiments on individual choice and judgement. In this study, we address the issue whether, in market experiments, there is a tendency for anomalous behaviour to disappear or to be reduced as a consequence of market...

Much of the evidence supporting the EllsbergÕs paradox comes from experiments on individual choice and judgement.In this study, we address the issue whether, in market experiments, there is a tendency for anomalous behaviour to disappear or to be reduced as a consequence of market experience...

In a series of experiments the interactions among individual attitudes towards risk and uncertainty, the sign of the outcome domain, and the way uncertainty is represented are tested. This is done in a unified framework, eliciting individual values by means of a second price auction. Results...