Patrick Michael from the conservative Cato Institute doesn't address environmental issues around consumption.

VOA: standard.2010.01.23

What Backus, Kehoe, and Kydland did was look at how much the consumption correlates-- the movement from year to year-- correlate across countries.

巴克斯，凯赫和基德兰德做的就是,研究这些消费的相关性-,不同年份消费的相关性-,不同国家的不同运动规律。

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That is, when one country's consumption increases from one year to the next, every other country's consumption increases from one year to the next.

也就是，当一个国家的消费,逐年上升，其他国家的消费,也逐年上升。

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