the dynamics of Bitcoin price during the analyzed time period. We explain this classification of long and short bubbles by … over this period. Then, a detailed analysis of the growing risks associated with the three long bubbles using the Log … bubbles and the four short bubbles that our time scale of analysis was able to resolve. Overall, our predictive scheme …

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 …

This paper provides an early warning indicator for bubbles in financial markets. The indicator is based on traditional … consensus bubbles and gives warning signals well ahead of the crash, in most cases as early as 12 months ahead. The indicator … also signals most of the 'negative bubbles' before their turning points …