Political Polarization and the Dynamics of Political Language: Evidence from 130 Years of Partisan Speech

@article{Jensen2012PoliticalPA,
  title={Political Polarization and the Dynamics of Political Language: Evidence from 130 Years of Partisan Speech},
  author={Jacob Jensen and Ethan Kaplan and Suresh Naidu and Laurence Wilse-Samson},
  journal={Brookings Papers on Economic Activity},
  year={2012},
  volume={2012},
  pages={1 - 81}
}
We use the digitized Congressional Record and the Google Ngrams corpus to study the polarization of political discourse and the diffusion of political language since 1873. We statistically identify highly partisan phrases from the Congressional Record and then use these to impute partisanship and political polarization to the Google Books corpus between 1873 and 2000. We find that although political discourse expressed in books did become more polarized in the late 1990s, polarization remained… 

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