另一项发表在《经济学与统计学评论》上的研究报告称，父母所付出的努力是十分重要的。

Another study, published in the Review of Economics and Statistics, reports that the effort put forth by parents is extremely important.

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我认为人口统计学是与经济学相关的核心学科。

I see demography as a central subject related to economics.

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数理与统计学的概念可以用于经济理论的分析。

Various concepts of algebra and statistics may be used in the analysis of economic theory.

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