riskless portfolio

基本解釋

Once you've got them together, then you can compute the efficient portfolio frontier without the riskless asset.
當(dāng)你明確了這些參數(shù)后，就可以算出沒有無風(fēng)險(xiǎn)資產(chǎn)情況下的，有效邊界了。
Formerly research on portfolio selection mostly made assumption with the riskless asset, but the riskless asset does not exist in fact.
以往關(guān)于資產(chǎn)組合選擇的研究大多假設(shè)市場上存在無風(fēng)險(xiǎn)資產(chǎn)，但無風(fēng)險(xiǎn)資產(chǎn)實(shí)際上是不存在的。
It affects portfolio decisions. It has led to a dramatic shift away from risky assets to riskless assets, or at least assets perceived as riskless.
它影響著資產(chǎn)組合決策，導(dǎo)致了從風(fēng)險(xiǎn)資產(chǎn)到零風(fēng)險(xiǎn)資產(chǎn)或至少是被理解為零風(fēng)險(xiǎn)資產(chǎn)這一戲劇性的轉(zhuǎn)變。

Once you've got them together, then you can compute the efficient portfolio frontier without the riskless asset.
當(dāng)你明確了這些參數(shù)后，就可以算出沒有無風(fēng)險(xiǎn)資產(chǎn)情況下的,有效邊界了。
耶魯公開課 - 金融市場課程節(jié)選
That would be a portfolio where you borrowed at the riskless rate and you put more than 100% of your money into the tangency portfolio.
在這種組合里,你可以以無風(fēng)險(xiǎn)利率借貸到一些資金,從而可以投入比你本金更多的資金,來購買切線投資組合。
耶魯公開課 - 金融市場課程節(jié)選
Tangent means that it has the same slope, it just touches the efficient portfolio frontier for risky assets at one point, and the slope of the efficient portfolio frontier, including the riskless asset, is a straight line that goes through the tangency point, here.
相切意味著斜率相同，它與包含風(fēng)險(xiǎn)資產(chǎn)的有效邊界,交與一點(diǎn)，而包含無風(fēng)險(xiǎn)資產(chǎn)的，有效邊界，則是一條過切點(diǎn)的直線，切點(diǎn)在這里。
耶魯公開課 - 金融市場課程節(jié)選