刘同学2020-01-30 22:10:41

Over the past ten years, an analyst compared the performance of a hedge fund index with the performance of a major stock index. The comparison shows that the hedge fund index (created from a database) had a higher average return, higher standard deviation, and higher Sharpe ratio than the stock index. What biases do the risk and return measures in the database most likely have? A Average return and standard deviation are both overstated. B Average return is overstated and standard deviation is understated. C Average return is understated and standard deviation is overstated. 这个题目不会，