Using a variety of tests, they found virtually no correlation between an individual country’s GDP growth rate per head and the returns to investors.

用了多种测验，他们发现实际上每个国家的GDP增长和给投资者的回报毫无关联。

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Using a variety of tests, they found virtually no correlation between an individual country's GDP growth rate per head and the returns to investors.

用了多种测验，他们发现实际上每个国家的GDP增长和给投资者的回报毫无关联。

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People are fleeing the cold: there is a strong correlation between the average temperature in January and population growth, notes Edward Glaeser, a professor of economics at Harvard University.

哈佛大学经济学教授爱德华格雷泽指出，人们趋暖避寒：1月均温与人口增长有着密切的相互关系。

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The process of doing so is not as straightforward as it sounds, because something might simultaneously explain both air-traffic and growth, and so it is necessary to go through a complicated econometric procedure to purge any correlation of air traffic and growth of variables that might explain both.

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There was still a negative correlation between the size of the national debt and GDP growth, but there was no implied causal relationship or sudden change at 90 percent.

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In other words, using even the simplest strategy to bifurcate the market meant you still had a correlation of 90% regardless of whether you owned value or growth.

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