Community Structure in Congressional Cosponsorship Networks

@article{Zhang2008CommunitySI,
  title={Community Structure in Congressional Cosponsorship Networks},
  author={Y. Zhang and A. Friend and Amanda L. Traud and M. Porter and J. Fowler and P. Mucha},
  journal={Physica A-statistical Mechanics and Its Applications},
  year={2008},
  volume={387},
  pages={1705-1712}
}
  • Y. Zhang, A. Friend, +3 authors P. Mucha
  • Published 2008
  • Physics, Mathematics
  • Physica A-statistical Mechanics and Its Applications
  • We study the United States Congress by constructing networks between Members of Congress based on the legislation that they cosponsor. Using the concept of modularity, we identify the community structure of Congressmen, who are connected via sponsorship/cosponsorship of the same legislation. This analysis yields an explicit and conceptually clear measure of political polarization, demonstrating a sharp increase in partisan polarization which preceded and then culminated in the 104th Congress… CONTINUE READING

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