I must confess that, contrary to my former anarcho-capitalist stance for unrestricted immigration (shared by many of my co-bloggers here), I now find the topic more complicated. I of course have no economic objection to immigration, if by “economic” is meant its effects on wages, incomes, and the allocation of resources. Basically, as Jean-Baptiste Say would have said, supply creates its own demand. As far as value judgments are concerned—some are ultimately needed to evaluate any government policy—I find no moral...