timing bubbles and crashes of individual stocks. Our findings imply that sophisticated investors may not always trade against … rational speculative bubbles, not entirely from sentiment-driven overpricing …

We develop a parsimonious model of bubbles based on the assumption of imprecisely known market depth. In a speculative … possibility of bubbles depending on the risk-free rate, uncertainty about market depth, and traders’ degree of leverage. This … allows us to discuss several policy measures. Bubbles always reduce aggregate welfare. Among others, certain monetary policy …

The presence of rational speculative bubbles in 28 commodities is investigated using the duration dependence test on …

We investigate the role played by the anchoring-and-adjustment heuristic in the speculative bubbles dynamics. In order … bring the evidence that large speculative bubbles can only occur when fundamental traders highly anchor to stock market … with slowly mean reverting bubbles lasting many years …

's q ratio displays regular cycles of bubbles and crashes reflecting an agency problem between investors and producers. The … ; financial bubbles ; stock markets ; booms and crashes ; Tobin's q ; business cycles ; economic rents …

, I review the existing literature and reflect on asset pricing tests to detect bubbles. I show that the emergence of … rational bubbles within the EMH framework is indeed possible as long as a number of assumptions is not violated. As researchers … show, these assumption do not hold in practice, which means that rational bubbles can be ruled out. Thus, a bubbles is …

We analyze a controlled price formation experiment in the laboratory that shows evidence for bubbles. We calibrate two … models that demonstrate with high statistical significance that these laboratory bubbles have a tendency to grow faster than …