Firstly, we use the Multi-Scale LPPLS Confidence Indicator approach to detectboth positive and negative bubbles at short-, medium- and long-term horizons forthe stock markets of the G7 and the BRICS countries. We were able to detect majorcrashes and rallies in the 12 stock markets over the...

We investigate price effects after one-day abnormal returns during crises in US, Japanese, Chinese, Russian and Brazilian stock markets, using the ANOVA, Mann-Whitney, t-tests, the modified cumulative abnormal return approach, regression analysis with dummy variables, and the trading simulation...