left-tailed tests, the limit theory and test performance are sensitive to the null hypothesis and the model specification …-tailed ADF test repeatedly on a sequence of forward sample recursions. We analyze and compare the limit theory of the sup ADF …

Abreu and Brunnermeier (2003) have argued that bubbles are not suppressed by arbitrageurs because they fail to … with the alternative according to which bubbles persist due to the difficulty of agreeing on the end of bubbles. We present …. We find overwhelming evidence that the beginning of bubbles is much better constrained that their end. Our results are …

crash hazard rate in the Johansen-Ledoit-Sornette model of rational expectation bubbles. The model is based on a percolation …-exponential bubbles interrupted by crashes …

Inspired by the question of identifying the start time τ of financial bubbles, we address the calibration of time …. Applied to synthetic models of financial bubbles with a well-defined transition regime and to a number of financial time …-defined reasonable determinations of the starting times for major bubbles such as the bubbles ending with the 1987 Black-Monday, the 2008 …

) model, which characterizes financial bubbles as super-exponential growth (or decay) of an asset price superimposed with … illustrate this approach on a sample of positive and negative bubbles in the Bitcoin historical price …

interdependence and contagion effects. There is only limited evidence for asset rotation, and it involves mostly Ripple. Bubbles in …

. Consistency of the dating estimators is established and the limit theory addresses new complications arising from the alternative …

. Consistency of the dating estimators is established and the limit theory addresses new complications arising from the alternative …

which is mainly driven by investor sentiment, becoming a potential source of financial bubbles and instabilities. In this …

Bubbles in asset markets have been documented in numerous experimental studies. However, all experiments in which … bubbles occur pay dividends after each trading day. In this paper we study whether bubbles can occur in markets without … may have inside information, and (2) the option to communicate with other traders. We find that bubbles can indeed occur …