Well, if it happens the Japanese obviously.
But would you consider it a victory for Krugman or Sumner, and why?
One way to call it would be as a "policy victory" for Krugman, a "target victory" for Sumner, and a "theory victory" for both New Keynesians and monetarists (less so for Old Keynesians but they're either dead or harmless blackboard stick figures at this point).
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