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Chapter II - The Science of Deduction (演绎法) Part One 文章总字数:约4120字 We met next day as he had arranged, and inspected the rooms at No. 221B, Baker Street, of which he had spoken at our meeting. They ...
我们将风险 σA'和 σA之间的差值叫做 非系统风险( Unsystematic Risk),非系统性风险可以通过构造资产组合分散掉,是可以避免的风险,承担非系统性风险不能得到风险补偿,投资组合 σA承担了更多的非系统性风险,但是并没有得到预期收益率的补偿。