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%.

· · 来源：cache资讯

相較之下，YouGov是「自願參加」的調查平台，人們自行報名以換取積分，積分可兌換現金。

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