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UPDATE: Brad DeLong responds. Quotable: "I'm not a cosmopolite: I care about myself and my family first; my friends second; my country third; and the world fourth. There are policies that would be good for the world as a whole and yet be bad for my country, and I would have to think long and hard before advocating such policies ... When the share of commodities that can be cheaply traded across national borders is large, trade can effectively substitute for migration. To the extent that freer trade avoids (some of) the political problems generated by freer migration, we economists should concentrate our attention on the first rather than the second ... From a cosmopolitan world perspective, almost all of the costs of maldistribution come from income gaps between nations and very little come from within-nation inequality. Development is far more important from a world welfare perspective than social insurance within rich countries."

Posted by Greg Ransom | TrackBack