刘同学2022-06-01 00:34:45
刘同学2. 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. Semi-strong-form and strong-form C. Weak-form and semi-strong-form 为什么不选择C
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Vicky2022-06-01 10:52:01
Vicky同学你好，
兼并收购信息属于基本面信息，不是历史量价信息，因此利用基本面信息获得超额收益不违反弱有效市场。
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