". We observe both stable markets and large bubbles for both small and large markets. The data analysis shows no differences … successfully drives prices back towards the fundamental, but we observe very large bubbles in which the news apparently has no …

We study the role of experience in the formation of asset price bubbles. Therefore, we conduct two related experiments … participants receive. Each market is repeated three times. In both experiments and in all treatments, we observe sizable bubbles …. These bubbles do not disappear with experience. Our findings in the call market experiment stand in contrast to the …

We propose an extension of the class of rational expectations bubbles (REBs) to the more general rational beliefs … beliefs can thus account for speculative bubbles, without the need for irrational agents or limits to arbitrage. Many of the … shortcomings of REBs that make rational bubbles implausible can be overcome once we relax the ergodicity requirement. In particular …