Nowadays, most of the empirical studies and models concern average properties like expected returns, volatility, or correlations, and little attention has been given to the extreme movements.

目前，很多有关金融风险的研究都是针对均值、方差、相关性，很少有人关注极端的波动情况。

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Nowadays, most of the empirical studies and models concern average properties like expected returns, volatility, or correlations, and little attention has been given to the extreme movements.

目前，很多有关金融风险的研究都是针对均值、方差、相关性，很少有人关注极端的波动情况。

youdao