We study the effect of ambiguity on the formation of bubbles and on the occurrence of crashes in experimental asset markets à la Smith, Suchanek, and Williams (1988). We extend their framework to an environment where the fundamental value of the asset is ambiguous. We show that, when the...

It is conjectured that one of the major ingredients of historic financial bubbles was the inflow of money in various forms. We run 36 laboratory asset markets and investigate the joint effect of cash inflow and trading horizon on price efficiency. We show that only markets with cash inflow and...

We examine how traders react to two prominent stock market regulations. Under a constant fundamental value (FV) process, price limits and trading restrictions significantly reduce the price level and mispricing size when traders are inexperienced. Under a Markov-process FV, there is no evidence...

We experimentally investigate how price expectations are formed in a large asset market where subjects' only task is to forecast the future price of a risky asset. The realized prices depend on these expectations. We observe small (6 participants) and large markets (about 100 participants). In...

The study at hand deals with the expectations of professional analysts and novices in the context of foreign exchange markets. We analyze the respective forecasting accuracy and our results indicate that there exist substantial differences between professional forecasts and judgmental forecasts...