Immigration boosts innovation and wages in the US. The positive dynamic impact of immigration on innovation and wages dominates the short-run negative impact of increased labor supply. Increased immigration to the US since 1965 is estimated to have increased innovation and wages by 5%.
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，这一点在safew官方下载中也有详细论述
「2015年我的月薪5000萬里亞爾約值1500美元。到2020年，薪水漲到1億3000萬里亞爾 卻只值520美元。現在我的退休金約3億里亞爾，但價值不到200美元，」這個60歲的德黑蘭居民說。
Photograph: Simon Hill