One way is how China does it - allows capital to enter the country with no limits, but requires permission to transfer it out. Limit technology transfers, who knows what limits we could decide on.How would you restrict the free exchange of capital? Why should labor be free to be exchanged?
And if you support "free markets" on what principle do you allow for capital to cross borders freely, but not people, workers? As I said, I'm not a supporter of "free markets" (there is no such thing) and so rationally support capital AND labor restrictions, if we determine they're in our national interests.
Again, take that up with someone who supports open borders. I don't and never have. And we don't have "de factor free exchange in labor" now or ever. Finally, Reagan, Bush, Clinton and Bush II have also "rewarded" those "peasants" crossing the border. Making this partisan doesn't help your credibility. Find some numbers on the "illegal" population and growth between 2000-2008 and then since 2008 and get back to us. Or look at the numbers deported under Bush versus Obama, etc.The fact is, you've got de facto free exchange in labor now. Peasants from other countries are being rewarded by the current administration and people of similar ideological beliefs. At the same time people are calling for economic equality despite their support for this damaging influx of labor. Such realities make the "equality" call rather weak.