American Non-Exceptionalism, Ctd

Felix Salmon responds to Bill Easterly. Salmon thinks that inequality "increasingly [ignores:] national borders":

Once upon a time, national borders were useful boundaries to use when
measuring per-capita income across the planet. And given that
statistical agencies are still national, that's not going to change any
time soon. But those numbers are going to be less and less informative
as pockets of wealth spring up in poor countries, and pockets of
poverty persist in middle-income nations.

...