という面白い造語をクルーグマンが24日のエントリで使っている*1。 The answer I seem to get is fear of a dramatic flip in circumstances — that Japan, say, could engage in a sort of macroeconomic quantum tunneling, suddenly transitioning from deflation to crashing currency and runaway inflation. That’s not impossible. But it does seem an odd thing to be worrying about right now. Also, does raising the consumption tax in a slump, o