Replication data for: Legislative Cosponsorship Networks in the U.S. House and Senate (doi:10.7910/DVN/O22JMY)

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Part 2: Study Description
Part 3: Data Files Description
Part 4: Variable Description
Part 5: Other Study-Related Materials
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Replication data for: Legislative Cosponsorship Networks in the U.S. House and Senate

doi:10.7910/DVN/O22JMY

Harvard Dataverse

2007-11-28

1

James H. Fowler, 2007, "Replication data for: Legislative Cosponsorship Networks in the U.S. House and Senate", https://doi.org/10.7910/DVN/O22JMY, Harvard Dataverse, V1, UNF:3:itEtOBEJ9KF5NEMmjLQPnQ== [fileUNF]

Replication data for: Legislative Cosponsorship Networks in the U.S. House and Senate

doi:10.7910/DVN/O22JMY

James H. Fowler (University of California, San Diego)

2004

Harvard Dataverse

James H. Fowler

2007-08-03

2007

https://doi.org/10.7910/DVN/O22JMY

In the US House and Senate, each piece of legislation is sponsored by a unique legislator. In addition, legislators can publicly express support for a piece of legislation by cosponsoring it. The network of sponsors and cosponsors provides information about the underlying social networks among legislators. I use a number of statistics to describe the cosponsorship network in order to show that it behaves much differently than other large social networks that have been recently studied. In particular, the cosponsorship network is much denser than other networks and aggregate features of the network appear to be influenced by institutional arrangements and strategic incentives. I also demonstrate that a weighted closeness centrality measure that I call ‘connectedness’ can be used to identify influential legislators.

1973-2004

<a href="http://creativecommons.org/publicdomain/zero/1.0">CC0 1.0</a>

James H. Fowler. 2004. "Legislative Cosponsorship Networks in the U.S. House and Senate." Social Networks, 28 (4), 454-465: doi:10.1016/j.socnet.2005.11.003. <a href= "http://jhfowler.ucsd.edu/legislative_cosponsorship_networks.pdf" target= "_new">article available here</a>

James H. Fowler. 2004. "Legislative Cosponsorship Networks in the U.S. House and Senate." Social Networks, 28 (4), 454-465: doi:10.1016/j.socnet.2005.11.003. <a href= "http://jhfowler.ucsd.edu/legislative_cosponsorship_networks.pdf" target= "_new">article available here</a>

James H. Fowler. 2004. "Legislative Cosponsorship Networks in the U.S. House and Senate." Social Networks, 28 (4), 454-465: doi:10.1016/j.socnet.2005.11.003. <a href= "http://jhfowler.ucsd.edu/legislative_cosponsorship_networks.pdf" target= "_new">article available here</a>

James H. Fowler. 2004. "Legislative Cosponsorship Networks in the U.S. House and Senate." Social Networks, 28 (4), 454-465: doi:10.1016/j.socnet.2005.11.003. <a href= "http://jhfowler.ucsd.edu/legislative_cosponsorship_networks.pdf" target= "_new">article available here</a>

James H. Fowler. 2006. "Connecting the Congress: A Study of Cosponsorship Networks." Political Analysis, 14 (4), 456-487: doi:10.1093/pan/mpl002. <a href= "http://dvn.iq.harvard.edu/dvn/dv/jhfowler/faces/study/StudyPage.jsp?studyId=7093" target= "_new">study available here</a>

James H. Fowler. 2006. "Connecting the Congress: A Study of Cosponsorship Networks." Political Analysis, 14 (4), 456-487: doi:10.1093/pan/mpl002. <a href= "http://dvn.iq.harvard.edu/dvn/dv/jhfowler/faces/study/StudyPage.jsp?studyId=7093" target= "_new">study available here</a>

• Number of cases: 7049

• No. of variables per record: 9

• Type of File: text/tab-separated-values

UNF:3:zcGDDLFkrkcUCp/1GxTwsw==

House data file that match ICPSR numbers ("id") to names ("name") and a few other variables for all congresses. ICPSR numbers are derived from http://voteview.com/icpsr.htm and change if a person switches party, so it is important to match by congress.

• Number of cases: 1620

• No. of variables per record: 6

• Type of File: text/tab-separated-values

UNF:3:s2OY54axd22JUHtpA5HsTQ==

Senate data file that match ICPSR numbers ("id") to names ("name") and a few other variables for all congresses. ICPSR numbers are derived from http://voteview.com/icpsr.htm and change if a person switches party, so it is important to match by congress.

• Number of cases: 8663

• No. of variables per record: 23

• Type of File: text/tab-separated-values

UNF:3:nGx2viaRCH5Mp2KvsRrdkw==

Data file

• congress
• name
• id
• cs1
• cs2
• party
• statecode
• state
• district
• congress
• name
• id
• cs1
• cs2
• party
• congress - 93rd - 108th (i.e. 1973-2004)
• chamber - House, Senate
• labels - name
• ids - ICPSR id
• seniority - number of Congresses served
• ideol1 - Poole and Rosenthal Common Space Score, 1st dim
• ideol2 - Poole and Rosenthal Common Space Score, 2nd dim
• party - 100=Dem 200=Rep
• sponsored - number of bills sponsered
• pl - number of sponsored bills that became law
• pb - number of sponsored bills that passed chamber
• pa - number of sponsored amendments that passed chamber
• inu - unique inward cosponsors
• inb - total inward cosponsor signatures
• inw - total weighted inward cosponsor signatures (weights as described in my paper)
• outu - unique outward cosponsors
• outb - total outward cosponsor signatures
• outw - total weighted outward cosponsor signatures
• betweeness - betweenness (unweighted)
• closeness - closeness measure -- assumes bilateral ties
• evcent - eigenvector centrality measure
• connectedness - connectedness measure
• cc - individual clustering coefficient

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Label:

Bills.txt

Text:

Names of each bill as identified in the Thomas database. The name identifies the type, chamber, Congress, and number of each bill. The key is in readme.txt

text/plain; charset=US-ASCII

Label:

Cospcount.txt

Text:

Total number of cosponsors on each bill

text/plain; charset=US-ASCII

Label:

Cosponsor.zip

Text:

Data files in original ascii file formats

application/zip

Label:

Cosponsordates.txt

Text:

Shows the space delimited date(s) each bill was cosponsored -- the order of dates on each line conforms to the order of cosponsors on each line in the cosponsors.txt file

text/plain; charset=US-ASCII

Label:

Cosponsors.txt

Text:

Identifies the ICPSR codes of each cosponsor (one bill per line, each cosponsor is space delimited)

text/plain; charset=US-ASCII

Label:

Dates.txt

Text:

The date each bill was introduced

text/plain; charset=US-ASCII

Label:

Legislative_cosponsorship_networks.pdf

Text:

Original Article for this study

application/pdf

Label:

Party.txt

Text:

Shows the party of sponsor

text/plain; charset=US-ASCII

Label:

Passedam.txt

Text:

Shows whether amendment passed on the floor

text/plain; charset=US-ASCII

Label:

Passedbills.txt

Text:

Shows whether bill passed on the floor

text/plain; charset=US-ASCII

Label:

Publaws.txt

Text:

Shows whether bill became public law

text/plain; charset=US-ASCII

Label:

Pvtbills.txt

Text:

Shows whether bill is a "private" bill

text/plain; charset=US-ASCII

Label:

Readme.txt

Text:

Important information about the files used in this study

text/plain; charset=US-ASCII

Label:

Sponsors.txt

Text:

Identifies the ICPSR code of each bill sponsor

text/plain; charset=US-ASCII