Multiscale mobility explains differential associations between the gross domestic product and COVID-19 transmission in Chinese cities.


In this letter, we find a Simpson's paradox in the association between GDP and COVID-19 transmission in Chinese cities stratified by location. The differential associations in cities within and outside Hubei province can be explained by different patterns of short-range and long-range multiscale mobility from Wuhan to other cities.

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Sen Pei

Associate Research Scientist
Columbia University