由于投资者回避高风险信贷工具，一度获利丰厚的高收益率市场几无声息。
The once lucrative high yield market went virtually silent as investors shied away from risky credit instruments.
大多数对风险的测量，例如股票市场波动或者公司和上升市场债券的收益率差（超额收益），都显示它很低。
Most measures of risk, such as stockmarket volatility or the spread (extra yield) on corporate and emerging-market bonds are low.
本文讨论不完全市场中股票收益率不确定时的动态风险度量问题和一个相关的随机对策问题。
We study dynamic measure of risk problem in incomplete market when stock appreciation rates are uncertainty. We also study a related stochastic game problem.
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