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The Influence of Social Networks on the U.S. Senate Roll-Call Voting

The Influence of Social Networks on the U.S. Senate Roll-Call Voting

Jang Hyun Kim, George A. Barnett, K. Hazel Kwon
Copyright: © 2010 |Volume: 1 |Issue: 4 |Pages: 20
ISSN: 1947-9131|EISSN: 1947-914X|EISBN13: 9781613502822|DOI: 10.4018/jep.2010100102
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MLA

Kim, Jang Hyun, et al. "The Influence of Social Networks on the U.S. Senate Roll-Call Voting." IJEP vol.1, no.4 2010: pp.22-41. http://doi.org/10.4018/jep.2010100102

APA

Kim, J. H., Barnett, G. A., & Kwon, K. H. (2010). The Influence of Social Networks on the U.S. Senate Roll-Call Voting. International Journal of E-Politics (IJEP), 1(4), 22-41. http://doi.org/10.4018/jep.2010100102

Chicago

Kim, Jang Hyun, George A. Barnett, and K. Hazel Kwon. "The Influence of Social Networks on the U.S. Senate Roll-Call Voting," International Journal of E-Politics (IJEP) 1, no.4: 22-41. http://doi.org/10.4018/jep.2010100102

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Abstract

Along with individuals’ ideological factors, various network properties play a crucial role in the process of legislators’ political decision making. Social networks among legislators provide relational resources through which communication occurs, exerting social influence among the members in a network. This paper examines six social relationships among the members of the 109th United States Senate as predictors of senatorial voting (roll call votes), shared committees, co-sponsorships, party membership, PAC donation, geographical contiguity, and internet hyperlinks, which may be considered as direct or indirect representations of communication networks. The six networks are modeled using MRQAP, and results suggest that roll call voting was predicted by party membership, co-sponsorship, geographical proximity, and PAC donation networks, while shared committee membership did not contribute significantly. As for hyperlinks, results were mixed, showing a small variance of contribution in a simpler model but not significant with more complex models.

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