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this made me lol
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It was good work, though.
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totally - I almost commented something similar on a different post. The work he won the nobel for is very interesting. Or at least I remember thinking that back when I read it. In general, his work in international economics is much stronger than anything else.
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https://www.nobelprize.org/prizes/economic-sciences/2008/krugman/facts
1979 theory on international trade: similar countries produce similar products
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It offered a theoretical solution to a well known discrepancy between a well established empirical regularity and the classical trade theory of the time.
Other (better in my opinion) solutions have been developed since, but his work was interesting.
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Incidentally, 1979 is about when Krugman last did good economic work.