Just to respond to some of the arguments that were posed here, the whole idea of comparative advantage has really been quite nonsensical. When it was first put forth 200 years ago, or 150 years ago, it was comparing the British exporting wool and importing grapes. It was that simple.
We don't have comparative advantage. A computer manufacturer will use the value-added chain to have the computer parts made in six different parts of the world. One of those, or two of them, are always tax havens so they can avoid paying taxes. There is no comparative advantage to international trade. I think we have to start looking at that.
The other thing you want to be aware of—