能否麻烦老师再仔细分别解释下EMH三个阶段的假设、检验方法。同时，对于如下题目，既然违反week和semi-strong，那么也肯定违反strong。为何C是错误的呢？谢谢！ 2013 MOCK MORNING 88. After the public announcement of the merger of two firms an investor makes abnormal returns by going long on the target firm and short on the acquiring firm. This most likely violates which form of market efficiency? A. Semi-strong form only B. Weak and semi-strong forms C. Semi-strong and strong forms作者: Kapie 时间: 2013-8-22 18:44
