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They define four credit risk categories and they define a formula involving the amount of assets in each of the categories.
他们定义了四个风险等级,然后根据每个风险等级下的资产额,定义了一个资产总额的计算公式
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This is a special case, though, because I've assumed that the assets are independent of each other, which isn't usually the case.
这是一个特例，因为我假设了,这个投资组合里的资产是相互独立的，但现实中通常都不是这样的。
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It's a very important observation in finance that returns on a lot of speculative assets have fat-tailed distributions.
在金融界中,这是一种重要的观测方法,许多投机性资产的收益,都是服从长尾分布的
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That requires a theory of capital and they're going to have to invest the reserves in financial assets.
这需要借助于资本理论,并且还要将储备资金,投资于金融资产。
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The collateral could be a number of things including mortgages--securitized mortgages that are risky and dangerous assets.
抵押品可是很多种东西,包括抵押贷款-证券化按揭贷款,这种有风险的，危险的资产。
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Now, I want to talk about forming a portfolio where the assets are not independent of each other, but are correlated with each other.
现在我要建立这样的一个投资组合,在这个组合里各项资产并不是相互独立的，而是相互关联的。
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The balance sheet of a company has two columns; it has assets and it has liabilities.
资产负债表有两栏,资产和负债
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The Fed is taking on a serious risk in doing this because these assets that it takes on in exchange for Treasury securities could fail.
美联储这样做很有风险,因为这些他们作为国库证券交换来的,资产可能是个烂摊子。
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A portfolio is the collection of assets that you have financial assets, tangible assets.
一个投资组合就是你拥有的资产的集合,例如金融资产，有形资产。
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All of a sudden the underperforming fund's record disappears and the assets are in a fund that has a better record -a record that you can actually market.
于是运作不佳的基金消失了,改头换面以优异基金的形式出现,其优良的记录可以用来做基金销售的依据
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That means that you want to pick, ultimately, a point on this-- this line is tangent to the efficient portfolio frontier with all the other assets in it.
那意味着你会最终会在这上面选一个点-,这条直线是与有效边界相切的,后者包含了所有的资产组合。
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What he does as you know is takes over a company and shakes them up and in some cases is accused of stripping their assets.
就像你们知道的那样，他所做的,就是接管一个公司然后将其整顿改组，同时,在有些情况下，剥削它的资产。
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We did have a large,short position in subprime mortgage-backed securities, which has paid off enormously for the University and really helped protect assets in the past nine months or a year.
我们确实曾持有很多,次级抵押担保证券的空头,它们为耶鲁赚了不少钱,并且在过去的9个月或1年间,为资产保值发挥了实在的作用
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You take all the risky assets ... and you analyze them first to get their-- you have to do a statistical analysis to get their expected returns, their variances, and their covariances.
你需要对所有的风险资产进行分析,首先要得到它们的-,你必须要做一个统计分析,算出它们的预期收益率，方差，和它们的协方差。
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Capital is the money that they have to pay out should there be a -its assets that they can quickly liquefy and pay out should there be a run on the bank.
资本金就是他们可以,用作偿付的现金,当...,这是当出现挤兑时,银行可以迅速,变现并且用作支付款项的资产
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It seems like a logical extension of that formula to three assets and you can easily see how to extend it to four or more assets, it's just the logical extension of that.
这样就将前个公式推导为三个资产的情况,显而易见,你们可以将其运用到四个乃至更多资产的情况下，这只是对原始公式一个推导罢了。
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Then when we look at the statistics, all we see are a lot of assets in the fund that performed well and the underperforming fund that was merged out of existence isn't there anymore.
于是当我们去查阅统计资料时,只能看到资产规模巨大且运作良好的基金,那些运作不佳的基金,随着合并与它的纪录一起消失了
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Turns out that 50% of endowment assets in the mid-1980s were invested in common stocks, 40% of endowment assets were in U.S. Bonds and U.S. Cash, and 10% in a smattering of alternatives.
结论是19世纪80年代中期的捐赠资产,50%用于普通股投资,40%用于美国债券和美元现金投资,10%用于其他投资
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The equally-weighted case that I gave a minute ago was one where the two assets had--were at the same-- had the same expected return and the same variance; but this is quite a bit more general.
我刚刚举的相同权重的例子,表示两种资产-,有相同的预期收益和相同的方差;,但这种情况更加普遍一些。
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