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.
https://www.nytimes.com/column/paul-krugman
And winner of the 2008 Nobel Prize in economics.
(Somewhat embarrassed to admit this is how I learned of Paul Krugman)