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这里的 AP 是 上升了 ，+5 有点不理解原因， AR 降低了，我理解是 inflow 3 INV +4 我理解是 expenditure cogs +4 → outflow 4 AP +5 我理解是 要支付给人家的，expenditure → outflow 5 不理解啊
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In a mortgage pass-through security, the pass-through rate: A is adjusted as market rates rise or fall. B adjusts the rate on the underlying pool of mortgages by a servicing fee. C is equal to the mortgage rate on the underlying pool of mortgages.
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精品问答
- Q6，为啥要少抽失败的，少抽不就不能真实反应情况了吗？
- BG检验就是T检验吗？如果理解错误的话 T检验是什么？
- Q3：解析里面Team Purple’s conclusion (the externalities associated with human capital is the most important determinant in predicting the occurence of convergence) implies that the production function is a straight line, and is compatible with non-convergence.这段话中 externalities associated with human capital具体是什么？怎么得到the production function is a straight line这个结论呢？
- Effective duration和Effective convexiy的公式为什么不用modified duration和convexity的原本公式，而是和他们的近似的久期和突性的公式一致？
- Risk Budget and risk parity 第二道思考题，里面的Variance是不是完全是个冗余信息，给来误导的呀？
- liability relatibe asset allocation这三种方式的区别是什么呀 怎么区分
- 为什么半年付息 算ytm是乘以2 而年化的麦考利久期是除以2
- 为什么长期垄断竞争中 D和ATC相切
