此外，与前人研究结果不同的是，本文研究发现基金的投资规模对整个市场和个股股票波动性的影响并不显著。

In addition, the study found that mutual funds' investment impacts on market and stock volatility are not significant, which is different from other people's previous research.

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本文将通过EGARCH模型研究权证上市前后标的股票波动性的变化，据此探讨权证上市给标的股票波动性带来何种影响。

In order to study the impact of warrants listing on the volatility of the underlying stocks, I use the EGARCH model introducing a dummy variables to estimate it.

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这里还有一个不太典型的失误：当股市动荡导致波动性上升时，高盛被打了个措手不及，股票交易收入因而下降。

There also was an uncharacteristic blunder: Equities-trading revenue tumbled because Goldman was caught flat-footed when volatility rose as markets tumbled.

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You can see that the stock market has been more volatile than the earnings and the price of a share is many times higher than the earnings per share.

你可以看到,股票市场波动性大于其收益,每股价格往往是,每股收益的几倍之多

耶鲁公开课 - 金融市场课程节选