1. https://www.cato.org/blog/fiscal-impact-immigration-united-s...
2. https://www.aclu.org/other/immigrants-and-economy
3. https://www.bushcenter.org/catalyst/north-american-century/b...
4. https://budgetmodel.wharton.upenn.edu/issues/2016/1/27/the-e...
5. https://www.cbpp.org/research/poverty-and-inequality/immigra...