答案和详解如下： Q45. B Study Session 13-58-a Survivorship bias is not a limitation in achieving market efficiency. It is a source of unreliability of a market anomaly. For example, the finding of market timing prowess on the part of certain investors may be the result of survivorship bias and not an example of market inefficiency that can be exploited. | 
发表于 2007-11-13 22:34
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