問(wèn)題已解決
財(cái)管第三章,這個(gè)期望值只能衡量單個(gè)證券的收益嗎?那我證券組合的收益也能用期望值衡量嗎?就把組合中每種證券的結(jié)果出現(xiàn)概率分別乘上組合中每種證券的結(jié)果對(duì)應(yīng)的報(bào)酬率,再求和
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同學(xué),你好
證券組合的收益也能用期望值衡量,把組合中每種證券的投資比重(不是你所說(shuō)結(jié)果出現(xiàn)概率)分別乘上組合中每種證券的報(bào)酬率(即期望值),再求和
2022 04/10 16:02
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84784993 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2022 04/10 16:14
老師這么說(shuō)的話(huà)我感覺(jué)我要把期望報(bào)酬率和期望值搞混了
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84784993 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
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2022 04/10 16:15
噢懂了,是一個(gè)意思對(duì)吧
![](https://pic1.acc5.cn/010/56/93/55_avatar_middle.jpg?t=1651204062)
文靜老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2022 04/10 16:16
對(duì)的預(yù)期收益率就是期望值
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