本学位论文致力于研究在风险投资和重尾风险场合的渐近破产概率。

This thesis is devoted to the study of asymptotic ruin probabilities in the presence of risky investments and heavy tails.

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一些银行开始销售尾风险产品，德意志银行创造了Elvis指标，能够根据股市增长的波动性产生回报。

Some banks have started to sell tail-risk products. Deutsche Bank has created the ELVIS index, which generates returns when stockmarket volatility increases.

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尾风险产品的个人投资者喜欢拿它们和保险相比：投资者每年都需要付保险费以规避之后的金融灾难。有的人甚至能从中学到哲理。

Peddlers of tail-risk products like to compare them to insurance: investors pay premiums every year to avoid financial.

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