高盛的行业选股策略(第三部分:风险),不用多介绍了,哈哈This paper (third in the series, A Stockpicker’s Reality) examines the degree to which
risk management strategies can be used to increase returns. This question differs
substantially from the normal application of risk control, which is focused on tracking
error rather than returns. There is, of course, a natural tension between reducing
tracking error and increasing returns. However, in the current context, our goal is to
understand where that tension is greatest (which risk controls hurt returns the most)
and where the tension is least or even reversed such that risk controls can actually help
portfolio managers increase returns by focusing on taking the risks with the highest
expected returns.



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