Yan, Wanfeng; Woodard, Ryan; Sornette, Didier - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 4, pp. 1361-1380
We introduce the concept of “negative bubbles” as the mirror (but not necessarily exactly symmetric) image of standard financial bubbles, in which positive feedback mechanisms may lead to transient accelerating price falls. To model these negative bubbles, we adapt the...