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Assessing differences in legislators’ revealed preferences: a case study on the 107th U.S. Senate

Lofland, Chelsea L.; Rodríguez, Abel; Moser, Scott

Authors

Chelsea L. Lofland

Abel Rodríguez

Scott Moser



Abstract

Roll call data are widely used to assess legislators’ preferences and ideology, as well as test theories of legislative behavior. In particular, roll call data is often used to determine whether the revealed preferences of legislators are affected by outside forces such as party pressure, minority status or procedural rules. This paper describes a Bayesian hierarchical model that extends existing spatial voting models to test sharp hypotheses about differences in preferences using posterior probabilities associated with such hypotheses. We use our model to investigate the effect of the change of party majority status during the 107th U.S. Senate on the revealed preferences of senators. This analysis provides evidence that change in party affiliation might affect the revealed preferences of legislators, but provides no evidence about the effect of majority status on the revealed preferences of legislators.

Journal Article Type Article
Publication Date Apr 8, 2017
Journal Annals of Applied Statistics
Print ISSN 1932-6157
Electronic ISSN 1941-7330
Publisher Institute of Mathematical Statistics (IMS)
Peer Reviewed Peer Reviewed
Volume 11
Issue 1
APA6 Citation Lofland, C. L., Rodríguez, A., & Moser, S. (2017). Assessing differences in legislators’ revealed preferences: a case study on the 107th U.S. Senate. Annals of Applied Statistics, 11(1), doi:10.1214/16-AOAS951
DOI https://doi.org/10.1214/16-AOAS951
Keywords Spatial voting model, Hypothesis testing, Spike-and-slab prior, Revealed preferences, Factor analysis
Publisher URL http://projecteuclid.org/euclid.aoas/1491616888
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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