"On average, being one shade has about the same effect as having an additional year of education," Hersch said.
“平均而言，是一种颜色有相同的效果有一个额外一年的教育，”赫希·劳特说。
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Hersch said her analysis shows that the skin-color advantage was not due to preferential treatment for light-skinned people in their country of origin.