Paul Krugman

@paulkrugman ↗

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Last Checked July 3, 2020

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Sat Apr 20 13:10:58 +0000 2019

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Paul Krugman @paulkrugman

What this implies, in turn, is that quantitative change in these forces can produce qualitative change in the economy's dynamics. If the relative strength of the centripetal forces crosses a critical level, already leading areas start snowballing 3/ — PolitiTweet.org

Posted April 20, 2019 Hibernated

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Paul Krugman @paulkrugman

Specifics of the model aside, what I argued back then was that the geography of the economy reflects a tug-of-war between "centripetal" forces that pull things together, and "centrifugal" forces that pull them apart. 2/ — PolitiTweet.org

Posted April 20, 2019 Hibernated

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Paul Krugman @paulkrugman

And we actually do seem to see a qualitative change in US regional dynamics circa 1979. Until then, poor states had systematically tended to converge on rich states. The picture was really striking 4/ https://t.co/7S8at6sNGe — PolitiTweet.org

Posted April 20, 2019 Hibernated