5/11付けエントリでクルーグマンが以下の2枚のグラフを示している。 クルーグマンによれば、これらの図は自然失業率仮説がもはや成立しなくなったことを意味するという。曰く: Underlying the natural rate hypothesis is “accelerationism”: the idea that low unemployment will lead not just to high inflation, but to accelerating inflation, and conversely that high unemployment will not just reduce inflation but lead to ever-falling inflation. Accelerationism used to look like a pretty good
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