The financial industry makes use of highly complex mathematical models, technology and data to value securities and derivatives.

金融业利用非常复杂的数学模型、技术和数据对有价证劵和衍生产品进行估价。

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That is because bad debt is hidden within complex securities, and the value of those securities is almost impossible to measure when markets have dried up.

那是因为不良债务隐藏在复杂的证券背后，而当市场动力枯竭后，那些证券的价值几乎不可能被测量。

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The credit crisis has long since moved beyond the woes of investment Banks forced to slash the market value of exotic securities.

信用危机从投资银行被迫削减国外证券的市值开始，而随著时间的推移这场灾难变的越来越恶化。

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The bill provided 700 billion dollars to buy hard-to-value securities from banks.

VOA: special.2009.01.02

When they created margin rules that the seller had to be borrowing against securities. Just made more money when securities went up more value.

当我们发明保证金制度,卖空证券时需要交担保金,证券升值时能赚到更多钱。

斯坦福公开课 - 经济学课程节选

The idea is to use private capital and private asset managers to help set a market value for the securities.

VOA: special.2009.02.13

The second was to use its balance sheet to help commercial and investment banks finance their holdings of hard-to-value securities and avoid fire-sales of assets.

ECONOMIST: America��s bail-out plan

In my investigative work I have found that the performance of these investments, which consist of illiquid, hard-to-value securities, is far less stellar than marketers would have you believe.

FORBES: A ''Tipping Point'' for Public Pensions?

This meant that when panic selling by some troubled institutions to raise capital drove the value of mortgage related securities to virtually zero, all institutions had to change their books to reflect this minimal market value of the securities.

FORBES: Media Parrot Obama Financial Crisis Campaign Propaganda