动量效应一直是传统金融理论与行为金融理论争论的一个焦点。
Momentum effect is a hot debate between Classical Finance Theory and Behavioral Finance Theory.
由于传统金融理论存在诸多缺陷，许多经济学家己经对传统的理性分析提出质疑。
There are some drawbacks existing in traditional financial theory, so many economist have queried the validity of traditional rational analysis.
反思这些危机，原因各异，但主要是指导实践的传统金融理论正面临着严重的挑战。
Although the causes of these crises are different, the main one lies in the challenges which the traditional financial theory faces.
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