I have written a critical response to Paul Craig Roberts on my blog that is likely of interest to mises.org readers: Roberts is correct in his complaints that his responders haven’t understood his argument. He is arguing that the movement of factors of production to the location of absolute advantage will reduce the volume of trade with their former location. It’s the reduction in trade that he’s unhappy about. (At least, that’s how I read him, and that’s what I responded to.)