I think that these countries are somewhat trying to manage this oil risk but they can't yet get onto the frontier.

我想这些国家或多或少,都试着控制石油风险,但他们根本无法达到有效边界。

耶鲁公开课 - 金融市场课程节选

This portfolio, the minimum variance portfolio, is 9% oil, 27% stocks, and 64% bonds and most of the--many choices you can make.

这个最小方差的资产配置是9%的石油，27%的股票和64%的债券,而大部分。。。你可以有许多选择。

耶鲁公开课 - 金融市场课程节选

So, their diet is a little bit of that-- some of their protein from that, then bread, olive oil, fruit, vegetables, cheese, milk, those kinds of things they can do.

因此他们日常饮食是一点点肉,一些肉质蛋白,然后是面包,橄榄油,水果,蔬菜,奶酪,牛奶,还有些他们可以生产的东西

耶鲁公开课 - 古希腊历史简介课程节选

And one of the best analogies you can think of is the oil rich nations of the world in post-World War Two, in the post-World War Two era, whether it's Saudi Arabia, Iraq and Iran, the Emirates, or Venezuela, name--today Russia.

做个非常恰当的类比,你们可以把棉花想象成,二战后时期的石油,想想沙特阿拉伯,伊拉克,伊朗,阿联酋,委内瑞拉,和今天的俄罗斯吧

耶鲁公开课 - 美国内战与重建课程节选

You can blame it on other things like the oil crisis of 1979 nothing is completely simple.

你也可以将其归于另外的原因,比如说1979年的石油危机9,但是没有任何事是完全单纯的。

耶鲁公开课 - 金融市场课程节选

We can now see the price of oil going out years into the future.

现在我们就可以看得到,未来几年石油的价格

耶鲁公开课 - 金融市场课程节选

So, for example, at an annual expected return of 12% if I have a portfolio of stocks, bonds, and oil I can get a standard deviation of something like 8% on my portfolio.

例如，在年预期收益12%的情况下%,我有股票，债券和石油的投资组合,在这个组合里,我的投资组合可以取到8%的标准差。

耶鲁公开课 - 金融市场课程节选