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%.
A planetary parade describes a moment when several planets appear to line up in the sky from the Earth's perspective.
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南方周末：那你在之后演奏肖邦时，脑子里还会浮现起比赛的场景以及随之而来的噪音吗？，更多细节参见WPS下载最新地址