No need to "hmmm", let's just say it: Krugman is writing about things of which he has no knowledge. Disgraceful, for someone purporting to be an academic
Lots of academics suffer from that syndrome. As soon as they get out of their comfort zone of year-long expertise, they still think of themselves as experts, yet don't realize their ignorance.
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This. He would have been better off asking ChatGPT to write the article for him.
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