Rachel2019-11-20 12:07:34
老师,请问in the long run,it wiuld not matter If the portfolio was hedged是不是说长期就算hedge了也没关系?那就长期来说hedge和not hedge都是可以的吗?
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Peter F2019-11-22 10:45:11
同学,你好:是的,从短期来看,需要 hedge,但是,从长期来看,不要 hedge。
原版书也出两个理由:1)Indeed, portfolio management costs would be reduced without a hedging process. 即 hedge 产生成本,降低收益;
2)This belief is based on the view that in the long run, currencies “mean revert” to either some fair value equilibrium level or a historical average; that is, that the expected %ΔS = 0 for a sufficiently long time period. 即汇率符合均值回归的假设,长期来看损失和收益总是抵消的。
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