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- Title
Comparing Cosponsorship and Roll-Call/Ideal Points.
- Authors
ALEMÁN, EDUARDO; CALVO, ERNESTO; JONES, MARK P.; KAPLAN, NOAH
- Abstract
We use bill cosponsorship and roll-call vote data to compare legislators' revealed preferences in the U.S. House of Representatives and the Argentine Chamber of Deputies. We estimate ideal points from bill cosponsorship data using principal-component analysis on an agreement matrix that included information on all bills introduced in the U.S. House (1973-2000) and Argentine Chamber (1983-2002). The ideal-point estimates of legislators' revealed preferences based on cosponsorship data strongly correlate with similar estimates derived from roll-call vote data. Also, cosponsorship activity in the U.S. House has lower dimensionality than cosponsorship has in the Argentine Chamber. We explain this lower discrimination as a function of individual- and district-level factors in both countries.
- Subjects
UNITED States; ARGENTINA; LEGISLATIVE bills; LEGISLATORS; COMPARATIVE government; ARGENTINA. Congreso de la Nacion. Camara de Diputados de la Nacion; UNITED States. Congress. House; LEGISLATIVE bodies
- Publication
Legislative Studies Quarterly, 2009, Vol 34, Issue 1, p87
- ISSN
0362-9805
- Publication type
Article