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  1. L

    Convexity effect

    Good morning, Could you please help me understand the effect of convexity based on the shape of the curve? I have been struggling with this concept for a while and I would like to understand some examples. That way I could finally get when the convexity term in the Taylor term approximation...
  2. L

    Bias of the variance

    Is there anyone who could help me understand why the bias of the variance is sigma squared divided by n instead of the same but as negative (-sigma squared divided by n)? I am talking about the following expression:
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