I want to start with an article, which--

我将从一篇论文讲起
mention an article by

这一篇论文由巴克斯
Backus, Kydland, and Kehoe--

基德兰德和凯赫合著的论文
actually Backus, Kehoe, and Kydland,

实际上是巴克斯凯赫和基德兰德
three economists.

三位经济学家
One of these, the last of the three, Finn Kydland,

他们三个中的最后一个芬恩·基德兰德
won the Nobel Prize a few years ago.

几年前获得了诺贝尔奖
In this article,

在这篇文章中
they talked about the correlation of consumption around the world.

他们讨论了世界范围内的消费相关性
What is consumption?

什么是消费
It's the amount that people spend on consumption goods,

它是人们购买消费品所花费的总额
things that you buy for your current use,

为每日生活所买的东西