問題已解決
這個(gè)題應(yīng)該怎么做啊。
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![](https://pic1.acc5.cn/009/48/81/35_avatar_middle.jpg?t=1651203288)
利潤留存率=1-6/10=0.4
權(quán)益凈利率=10/40=0.25
股利增長率=可持續(xù)增長率=0.4*0.25/(1-0.4*0.25)=0.111111111111
普通股資本成本=6*(1+0.1111)/80+0.1111=0.1944325
2021 12/11 15:11
![](https://pic1.acc5.cn/009/48/81/35_avatar_middle.jpg?t=1651203288)
朱立老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
![](/wenda/_nuxt/img/reply2.28c7604.png)
2021 12/11 15:12
組合期望收益率=8%*70%+9%*30%=0.083
標(biāo)準(zhǔn)差=((0.7*0.0183)^2+(0.3*0.0294)^2+2*0.7*1.83%*0.3*2.94%*0.2)^(1/2)=0.0169434996385=1.69%
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