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
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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