And so it's usually the case that you can get a higher return if you're willing to take more risk.
同样很常见的例子是,所以如果你愿意冒高风险,你可能就会有高回报。
.. That person-- I should have maybe included that in the diagram-- that person could get 5% return with no risk.
那种人-,我也许该把种情况也包含到图里的-,他能够获得5%的无风险收益。
That's what this whole theory is about, how to get a lot of expected return without getting a lot of risk.
整个金融理论的中心,就是如何获得高收益,同时降低风险
In fact, different people might make different choices about how much risk they're willing to bear to get a higher expected return.
事实上,为了获得高的预期收益率,人们愿意承受的风险,也会不同。
That would put you out here; you would have very much more return, but you'd have more risk.
那就会落在这个点上;,你可能有非常高的回报,但你的风险也增加了。
Other people might say, well you know, I'm really an adventurer--I don't care too much about risk-- I want the much higher return.
其他的人可能会说,你知道的,我就是一个投机商我不怎么在乎风险-,我只想要更高的收益。
It would be anywhere from here to here, depending on how much you're afraid of risk and how much you want expected return.
可以选择从这里到这里的任意一点,取决于你对风险的承受能力,和你的期望回报。
For any given level of return, you can reduce the risk; for any given level of risk, you can increase the return; sounds pretty good.
给定回报率,可以降低风险,给定风险水平,可以提高回报率,听上去不错
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