Other researchers said the findings are consistent with other studies on color and point to a skin-color prejudice that goes beyond race.

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Light-skinned immigrants in the United States make more money on average than those with darker skin, and the chief reason appears to be discrimination(歧视), a researcher said. Joni Hersch, a law and economics professor at Vanderbilt University,looked at a government survey of 2,004 legal immigrants to the United States from around the world and found that those with the lightest skin earned an average of 8 percent to 15 percent more than similar immigrants with much darker skin.
"On average, being one shade has about the same effect as having an additional year of education," Hersch said.
The study also found that taller immigrants earn more than shorter ones, with an extra inch of height associated with 1 percent increase in income.
Other researchers said the findings are consistent with other studies on color and point to a skin-color prejudice that goes beyond race.
Hersch took into consideration other factors that could affect wages, such as English-language proficiency, education, occupation,race or country of origin, and found that skin tone still seemed to make a difference in earnings.
That means that if two similar immigrants from Bangladesh (孟加拉国), for example, came to the United States at the same time,with the same occupation and ability to speak English,the lighter-skinned immigrant would make more money on average.
"I thought that once we controlled for race and nationality, I expected the difference to go away, but even with people from the same country, the same race-skin-color really matters," she said, "and height"
Although many cultures show a bias toward lighter skin. 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. The bias, she said, occurs in the US.

Other researchers said the findings are consistent with other studies on color and point to a skin-color prejudice that goes beyond race.

其他研究人员称，该研究结果与其他对颜色的研究（结果）是一致的，而且表明了人们对于肤色存在一种超越种族的歧视。