Rich countries have relatively more skilled labor, so freer trade should raise the wages of skilled workers and lower the wages of the unskilled.

富有国家有相对较多的技术型劳动力，自由贸易应该提高技术型劳动力的薪水，降低非技术型劳动力的兴水。

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Giving them the same legal rights as everyone else might actually raise wages in sectors such as construction, agriculture and hospitality.

但如果他们被赋予了其他人一样的合法权益，这将实实在在地增加某些行业的工资成本，比如建筑业、农业和酒店业。

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He would also cut the employer's share of the payroll tax, with larger cuts for those who boost net payrolls or raise wages.

他还将减少雇主工资税的份额，提高净工资或工资的雇主将获得更多的削减幅度。

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But how did it raise the wages of people higher up the income range?

ECONOMIST: Economics focus

First, high-skilled immigrants do not compete directly with low-skilled Americans, they complement each other, so that an increase in the former group is likely to raise the productivity and wages of the latter.

FORBES: Want To Reduce Income Inequality? Lower The Barriers To Talented Immigrants

And when immigrants working for low wages do put downward pressure on natives' wages, they may raise the (real) wages of natives in general by keeping prices lower than they otherwise would be.

ECONOMIST: Workers of the world | The