. These bubbles do not disappear with experience. Our findings in the call market experiment stand in contrast to the … literature. Our findings in the learning-to-forecast experiment are novel. Interestingly, the shape of the bubbles is different … between the two experiments. We observe flat bubbles in the call market experiment and boom-and-bust cycles in the learning …

experiment that regularly produces valuation bubble and crash events. Global sessions involved real time trades between subjects … asset market bubbles occur in all sessions, but global markets had significantly more extreme and longer duration valuation … bubbles. Additionally, subjects at the most suboptimal times-of-day held significantly more asset shares in their portfolios …