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JAN TING: What do you think would happen with open borders? How rapidly are people going
to come into the Untied States? I heard an interview on NPR where somebody asked someone
in Nigeria, "If it were possible to come to the United States and seek your fortune and
a better life, what percentage of the people in Nigeria would come to the United States?"
And I'm sure it was an exaggeration, but this interviewee said, "Well, all of them. Of course,
everyone in Nigeria." I don't know if everyone would, but a substantial portion of the people
in Nigeria, Brazil, China, India, the Philippines, would all head to the United States.
We were talking about Walter Williams during the break, and I said Walter Williams used
to say the poor people of the world may be poor, but they're not stupid. They're as capable
of doing cost-benefit analysis as anyone in this room, he used to say, and they do it
all the time. So in trying to decide, oh, do I want to stay in my country with no job
prospects or do I want to come to the United States where millions of immigrants have found
a better way forward? What's the logical thing? How quickly would it take for the rest of
the world to depopulate and come to the United States, given the fact that poor people in
the world are rational people?
BRYAN CAPLAN: Strangely. Jan your argument against is my argument for. The entire reason
why we have these enormous gains from open borders is because a lot of people are right
now in the wrong country. They need to move. People in low-productivity countries need
to move in vast numbers to high-productivity countries. And that's what open borders would
allow.
What do I think will happen? So in the short run, precisely because it's hard to build
an enormous amount housing really quickly, you would see a large increase in housing
prices. Which, by the way, would benefit any American who owns housing, a lot, as well
as any American who is currently bailing out anyone whose housing price went down. Worth
pointing out, so the very short-run effect is going to be a large increase in real estate
prices and also a large fall in the wages for very low-skilled workers. Worth pointing
out that many workers in the world are so low skilled that there are hardly any native-born
Americans who are actually comparable to them.
Now again, people generally think, well, isn't that a reason not to let them in? No. Not
only is that a reason to let them in, it is a reason why Americans are not going to lose
out, because their skills are so different that they are not actually competing in the
same market as we are. What would happen is that there'd be a great realignment of the
economy. There'd be a big move to, people having personal servants if there is this
much cheap, low-skilled labor around. Things would change. They would change a lot. But
to say that the republic is going to be destroyed by this or that you're worried about this,
I just think this is paranoid.
Is it possible? It's possible. What examples are there of countries that have been destroyed
by immigration this way? I think it's pretty hard to come up with any plausible example.
I think you're really saying is it possible this will bring down our country is not too
far from saying is it possible that our heads would explode if a lot of immigrants come
here. Yes, we can imagine it, but it is not a reasonable worry. It is only a small risk.
It is not reasonable to expect a billion extra people to live in poverty and misery so that
you can sleep a little better at night.
TING: What about the environment?
CAPLAN: What about the environment? Yeah, good question. So yes I will do a quick version.
First of all, there is, in terms of environmental effects, there are cheaper and more humane
ways of handling the problem than restricting immigration. Go to any environmental economics
class and what will they tell you you can do about pollution? Raise the price. That
is the right approach. If you're worried about pollution, raise the price. If you're worried
about resource scarcity, let the price go up, and so on. Saying that we can solve this
problem by keeping people out of the country entirely is not a morally acceptable approach
when there is a way cheaper way that doesn't involve ruining people's lives just because
they are born on the wrong side of the border.