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- 2018-2-7
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Notes 上说 “Due to linear nature of duration, which makes it underestimate the increase and overestimate the decrease in the value of the portfolio; convexity must also be considered. ” 如果不考虑convexity,假设duration是直线分布,应该是高估了增长好低估的下降吧,哪位能解释一下这句话?谢谢? |
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