.. 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。
You may return with very different loyalties and allegiances than you had in the beginning.
可能变成具有非常不一样的忠诚,忠贞的程度更胜于开始时。
You'd have a higher expected return with no more variance.
你的预期收益率提高了,但风险没有增加。
I don't have to go read what it printed out in the screen. This has returned a value that I can use. Because I could do a test to say, is this a return value? If it's not, I'll do something else with it. So the binding is still there, it simply doesn't print it out.
我不想读到屏幕中打印出来的这行字,程序返回过一个我能够使用的值,因为我可以做个小测试,来说明这是否是返回的值,如果不是,我可以做一些其它的事,而这个绑定依然在这儿,没有打印任何东西。
And in keeping with that idea of a kind of a return to chaos, Noah is represented in a way as the beginning of a new creation.
这种观点相当于又回到混沌时代,诺亚在某种程度来说,标志着一个新的创世纪的开始。
We will return on Monday and do yet more powerful things with this.
我们将在下周一,用它做更有用的东西。
And this is an issue I'm going to talk about now but I'm going to return to next week when we deal with issues such as liking and disliking, racial prejudice and other things.
这正是我想讲的问题,但我想留到下周再谈,等我们讲到喜欢,讨厌,种族歧视等问题时再来讨论。
That's got the lowest possible standard deviation of expected return and that's 25% stocks and 75% bonds with this sample period.
这个组合预期回报的标准差最小,在这一点上,投资组合,由25%的股票和75%的债券构成。
there that we want to highlight. In particular, -- notice-- let me highlight it for you, if I can find it with the wrong glasses on-- we've got these return commands.
这里还有一些我们要引起注意的变化,特别是注意这个,让我给你们强调一下-,看看我能不能戴着这副度数不对的眼镜。
He actually has a publication already in the American Economic Review on the Return to Capital with Ghana.
他曾经在美国经济评论杂志上,发表过文章,研究的是加纳的资本回报
And then when I get to the very end, I'm going to return the bigger of with i and without i.
然后当我到最后时,我会返回包括i物品,和不包括i物品的,总价值中的较大值。
Knowing that, I'm going to say, OK, how many pigs are there, well that's just how we're, however many I had total, minus that amount, and then I can see, how many legs does that give, and then I can check, that the number of legs that I would get for that solution, is it even equal to the number of legs I started with, ah! Interesting. A return.
它将给我返回头的总数,知道了这些之后我可以说好了,有多少猪呢,无论有多少组鸡的数目,我只要用总数减去那个值,之后我就可以知道一共有多少条腿,然后再把这个值和题目中的腿数相比较,看它是否等于一开始的腿数,啊!真有趣,有一个返回值。
- So now if Christiana doesn't actually -- if either programmer or who's programming these little puzzle pieces, don't actually do anything with this return value, and I call, get int, she wants to hand this piece of paper -- to me, but if I don't actually assign -- no, no, I just messed up the demo.
现在如果Christiana没有-,如果程序员或谁在编写这段代码,不要对这个返回值做任何事情,我调用GetInt,她把这张纸给我,但是如果我没有赋值-,不,不,我刚才把这个演示搞乱了。
But ultimately, everyone agrees I-- that's the premise here, that for the-- if you're comparing two portfolios with the same variance, then you want the one with the higher expected return.
但归根结底大家都会同意这一点-,这是一个前提-,当你比较两个有相同方差的投资组合时,你会选择预期收益率高的那一个。
If we have an annual return that we're looking at, we can find a completely riskless asset with an annual return-- it would be a government bond that matures in one year.
如果我们可以查看各项资产的年度收益,我们可以找到一个零风险,且达到预期年度收益的资产项目-,也许是一年期的政府债券。
Over the past twenty years, we've generated 15.6% per annum return, but that headline number obviously has a lot to do with the equity orientationof the portfolio but doesn't describe the importance of the diversification.
过去20年间,我们的年收益率达到15.6%,虽然媒体头条报道这一收益率,总强调与投资组合的股权导向有很大关系,但没有描述出投资多元化的重要性
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