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Gentzkow, M., Shapiro, J. M. (2010). Ideological Segregation Online and Offline. Quarterly Journal of Economics, forthcoming

We use individual and aggregate data to ask how the Internet is changing the ideological segregation of the American electorate. Focusing on online news consumption, offline news consumption, and face-to-face social interactions, we define ideological segregation in each domain using standard indices from the literature on racial segregation. We find that ideological segregation of online news consumption is low in absolute terms, higher than the segregation of most offline news consumption, and significantly lower than the segregation of face-to-face interactions with neighbors, co-workers, or family members. We find no evidence that the Internet is becoming more segregated over time.

Authors

Gentzkow, Matthew

Selected papers Ideological Segregation Online and Offline (with Jesse M. Shapiro) Quarterly Journal of Economics. Forthcoming. Last updated: March, 2011 Web Appendix Model Appendix The Effect of Newspaper Entry and Exit on Electoral Politics (with Jesse M. Shapiro and Michael Sinkinson...

Shapiro, Jesse

Seleted papers Ideological Segregation Online and Offline. (with Matthew Gentzkow) Quarterly Journal of Economics, forthcoming. [pdf]. [Online appendix]. The Effect of Newspaper Entry and Exit on Electoral Politics. (with Matthew Gentzkow and Michael Sinkinson) American Economic...

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