And before that, he was a columnist for the New York Times for 25 years.

https://www.nytimes.com/column/paul-krugman

And winner of the 2008 Nobel Prize in economics.

And the subject of this 2009 early-YouTube "viral" song: https://youtu.be/XOYAuk809fY?si=sFuFdmrF0cizn5W5

(Somewhat embarrassed to admit this is how I learned of Paul Krugman)