What would borders look like if economists ran them? NPR’s Planet Money re-aired a very relevant episode from 2013 on why US immigration policy “doesn’t add up” and “just doesn't make sense.” The show asked three economists on their views on how the policy could be improved and, even then, it still is a mess. There are plenty of different, and often conflicting, answers of what a “perfect policy” would look like. Some suggestions include just letting in more STEM immigrants, auctioning off immigration slots to highest bidders with separate categories for high-skilled and low-skilled labor, and just a free-for-all system that lets everyone in except for criminals, suspected terrorist, and people with serious communicable diseases. None, however, involve introducing any walls or imposing country-specific bans (runtime 19:35).

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