问题已解决
請(qǐng)問(wèn)c選項(xiàng)為什么是對(duì)的?β為負(fù)的話不就是負(fù)相關(guān)嗎?
FAILED
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您好,資本資產(chǎn)定價(jià)模型是研究充分組合情況下風(fēng)險(xiǎn)與要求的收益率之間均衡關(guān)系的模型。表達(dá)形式:Ri=Rf+β×(Rm-Rf)。
正相關(guān)是指自變量增長(zhǎng),因變量也跟著增長(zhǎng)。
Ri與β是正相關(guān)關(guān)系,您再理解下。
2020 05/02 21:27
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2020 05/02 21:32
是不是β前面是+,這樣是正相關(guān),如果是-β,就是負(fù)相關(guān)
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2020 05/02 21:47
對(duì),您的理解正確
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