Consider a 3-bond portfolio where the weight of bond 1 = .416 and its modified duration = 3.861, the weight of bond 2 = .440 and its modified duration = 8.047 and the weight of bond 3 = .144 and its modified duration = 9.168.  what is the portfolio modified duration?

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The portfolio modified duration can be calculated as the weighted average of the ... View the full answer