Cividino, Davide; Westphal, Rebecca; Sornette, Didier - 2021
asynchronous bubbles emerge. Above the critical value, small random price fluctuations may be amplified by noise traders herding … is able to account for the development of endogenous bubbles and crashes. We distinguish three different regimes …’ opinions are idiosyncratic and no bubbles emerge. Around the critical value of the O(n) vector model, cross sectionally …