Physical barriers tend to funnel migrants to areas without barriers. This means you need fewer people where the barriers are. Illegal immigration hurts the po

Physical barriers tend to funnel migrants to areas without barriers. This means you need fewer people where the barriers are. Illegal immigration hurts the poor while generally helping the broader economy. Specifically, minorities and people without a high school education get their wages suppressed. Here's an article by a Harvard PhD economist. https://www.politico.com/magazine/story/2016/09/trump-clinton-immigration-economy-unemployment-jobs-214216 https://www.politico.com/magazine/story/2016/09/trump-clinto...