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  1. C

    Copula

    Hi David, I am having trouble understanding the purpose of the copula. As I understand it, we map a uniform distribution to a normal since we can correlate multiple marginal normals to create a multivariate normal distributions to see how loans default simultaneously. Isn’t this what we do in...
  2. C

    Key rates

    Hi David, I’m trying to wrap my head around key rates and therefore have a few questions. I tried searching the forum but couldn’t find the answer. In Tuckmans example all securities seems to have the same maturity as a key rate, but one point of key rates were to keep them as few as possible...
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