Or are you going to manage each individual asset class actively, trying to beat the market and generate risk-adjusted excess returns?
还是积极管理每项资产,力求获得市场水平以上的回报率,以及风险调整后的超额收益
So there's not a lot of room in the government bond market or other high-quality bond markets to generate excess returns.
所以对于政府债券或者优质债券,超额收益的空间不大
If an asset class has constituents that are efficiently priced, then it's very hard to generate excess returns.
如果某种资产的构成都是有效定价的,那么就很难产生超额回报
It would not be possible to make excess returns in finance.
获取超过金融业平均水平的收益,同样是不可能的
We can also do this with excess returns.
我们也可以它来表示超额收益
As a matter of fact,if things were perfectly efficiently priced, there wouldn't be any opportunity to generate excess returns and if you make active bets--if you make bets against the market -then whether you win or lose has to do with luck.
事实上,如果资产都是有效定价的,那么根本不可能获得任何超额收益,如果你主动一搏,要从市场中获利,那么无论得失都只能靠运气了
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