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Greater Internet use is not associated with faster growth in political polarization among US demographic groups.


ABSTRACT: We combine eight previously proposed measures to construct an index of political polarization among US adults. We find that polarization has increased the most among the demographic groups least likely to use the Internet and social media. Our overall index and all but one of the individual measures show greater increases for those older than 65 than for those aged 18-39. A linear model estimated at the age-group level implies that the Internet explains a small share of the recent growth in polarization.

SUBMITTER: Boxell L 

PROVIDER: S-EPMC5635884 | biostudies-other | 2017 Oct

REPOSITORIES: biostudies-other

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Greater Internet use is not associated with faster growth in political polarization among US demographic groups.

Boxell Levi L   Gentzkow Matthew M   Shapiro Jesse M JM  

Proceedings of the National Academy of Sciences of the United States of America 20170919 40


We combine eight previously proposed measures to construct an index of political polarization among US adults. We find that polarization has increased the most among the demographic groups least likely to use the Internet and social media. Our overall index and all but one of the individual measures show greater increases for those older than 65 than for those aged 18-39. A linear model estimated at the age-group level implies that the Internet explains a small share of the recent growth in pola  ...[more]

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