求这两问原因，第二个产品方差怎么算？

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You are considering two alternative two-year investments: You can invest in a risky asset with a positive risk premium and returns in each of the two years that will be identically distributed and uncorrelated, or you can invest in the risky asset for only one year and then invest the proceeds in a risk-free asset. Which of the following statements about the first investment alternative (compared with the second) are true?<br>
c.Its annualized standard deviation is lower.<br>
True<br>
d.Its Sharpe ratio is higher.<br>
False

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关键词：Alternative investments distributed Considering Investment

楼主的答案是对的吗

daydaydown 发表于 2018-9-11 07:44
楼主的答案是对的吗

答案上是这么写的，我也是感觉不对