Encouraging immigration may boost the US economy's productivity

As decreases in measures against immigration have slowed down since the major quotas of the early 20th century, the United States is argued to have benefited from labor accumulation. Despite the improvements, this article states that the US can actually improve the productivity of the US economy by encouraging immigration. Immigrants reportedly founded 1 in 4 public companies between 1990 and 2005, such as Intel and Google. Allowing such intelligence might boost the US economy.

http://www.theatlantic.com/business/archive/2011/11/entrepreneurs-stay-out-the-utter-idiocy-of-us-immigration-law/248286/