这个流程下来安然不就是在亏钱吗？怎么会财报赚钱？

a bank should have multiple sources for risk data for each type of risk to improve reliability.这句话怎么错了？

请问老师，B是什么线啊？

为了防止金融危机中进一步的流动性问题，政府介入了金融市场，但没有实施哪个行为？A、降低利率 ；；B、帮助主要金融机构摆脱困境 ；；C、为商业银行放开折扣 ；；D、收购主要金融机构发行的资产；；；这里为何选C？

senior tranche of the ABS CDO has lower risk than the equity tranche of both the ABS and ABS CDO 还是 lower risk than both the equity and mezzanine tranche of the ABS 应该如何判断？

这道题目的17.4是指什么？

sortino ratio is more appropriate for asymmetrical return distributions. ； sortino ratio allows one to evaluate portfolios obtained through an optimization algorithm that uses variance as a risk metric.这两句话为何第一个对第二个错

投资者在CAPM中要让自己的效益最大化，这里的效益的表达中，wealth和expected utility有何区别？可以划等号吗

套利的时候为何要买入高treynor的卖出低treynor的？

在用APT时为何要restrict to a limited number of systematic factors with considerable ability to explain security returns?