孤同学2024-01-15 23:10:58
老师,我想问一下,这一道题里提到对冲基金的那个模型,不是提到的存在多重共线性的是interest rate risk和commodity risk吗?这道题若是根据这样判断,就会产生误导了,请老师帮助解释一下?
回答(1)
Simon2024-01-16 10:32:55
同学,上午好。题目信息中出现多重共线性的是credit risk和volatility risk,为了避免多重共线性,模型里剔除了volatility。
相关原文“The credit risk and volatility risk factors are exhibiting high degrees of correlation. To solve for the multicollinearity problem, Chang excludes the volatility risk factor”
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