Today, that model has warped into self-parody: many of the Banks' assets are unsellable even as they have to return to the market each day to ask for lenders to vote on their survival.

如今这种模式已经扭曲成了滑稽的自我模仿：很多银行资产都没有销路，正如他们每天都必须回到市场上央求贷款者帮助他们存活下去。

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The single-factor model thinks, the rate of return of the stock can be explained with system risk and none system risk together, but it limits the system risk in a factor (such as market index).

单因素模型认为，股票的收益率可以由系统风险和非系统风险联合解释，但它把系统风险限制在一个因素（如市场指数）当中。

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Then the movement feature of the market is analyzed with the GARCH model, and whether the market return follows non-linear and leptokurtic heavy tail feature is validated.

文章还采用GARCH模型对市场的运行特征做了分析，对市场收益率是否服从非线性和尖峰胖尾的特征进行验证。

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