可同学2020-02-17 22:40:34
老师,求解15题和16题
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Chris Lan2020-02-18 23:41:04
同学你好
Returns-based style analysis (RBSA)有两个优点:
1)Although RBSA adds the additional analytical step of estimating the risk factors, the analysis is straightforward and typically does not require a large amount of additional, or difficult to acquire, data. 虽然RBSA增加了额外的分析步骤来估计风险因素,但是分析是直观的,通常不需要大量的额外数据,或者很难获得数据。
2)It can be estimated even for complicated strategies and is comparable across managers and through time. 即使对于复杂的投资策略,它也可以被估计出来,并且可以在不同的基金经理和不同的时期之间进行比较。
而他的缺点有以下两个:
1)The disadvantage is that RBSA is an imprecise tool, attributing performance to a static portfolio during the period that might not reflect the current or future portfolio exposures. 缺点是,RBSA是一个不精确的工具,它将业绩归因于一个静态的投资组合,而这个静态的投资组合可能无法反映投资组合当前或未来的风险。
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2)The portfolio being analyzed might not reflect the current or future portfolio exposures. 所分析的投资组合可能不能反映投资组合当前或未来的风险。
If the portfolio contains illiquid securities, stale prices may understate the risk exposure of the strategy. 如果投资组合中包含流动性差的证券,过时的价格可能低估了该策略的风险敞口。
is comparable across managers.
is suitable for portfolios that contain illiquid securities.
can effectively profile a manager’s risk exposures using a short return series.
A选项说,在不同的管理者中具有可比性。这个是对的,这是他的第二个优点
B选项说,适用于包含非流动证券的投资组合。这是错的,因为这是他的第二个缺点
C选项说,能够有效地利用短期收益来分析经理的风险敞口。这是错的,因为RBSA是不能反映当前和未来的风险的,所以不能用来分析基金经理的风险敞口
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同学你好
Returns-based style analysis is a top-down approach that involves estimating the risk exposures from an actual return series for a given period. 基于收益的风格分析是一种自上而下的方法,它涉及到从给定时期的实际收益率序列中估计风险。
Holdings-based style analysis is a bottom-up approach that estimates the risk exposures from the actual securities held in the portfolio at a point in time. 基于持仓的风格分析是一种自下而上的方法,它对组合中某一时点实际持有的证券的风险敞口进行估计。
这题问哪个是bottom-up approach,所以是Holdings-based style analysis ,因此是选B。


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