王同学2022-10-05 15:11:24
老师“The flexibility of the model also allows for risk premium, which enters into the model as constant drift or a drift that changes over time.”这一句话怎么理解?公式中有体现吗
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Crystal2022-10-11 14:02:18
我说一个点你就懂了,risk premium其实就是drift。
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vasicek哪里体现了drift呀?
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VASICEK中的drift就是均值复归的部分,即[k(θ-r)]
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