A bridge to somewhere: mapping state and congressional ideology on a cross-institutional common space

TitleA bridge to somewhere: mapping state and congressional ideology on a cross-institutional common space
Publication TypeJournal Article
Year of Publication2010
AuthorsShor B, Berry C, McCarty N
JournalLegislative studies quarterly
Volume35
Issue3
Pagination - 448
Date PublishedAug 2010
ISBN Number0362-9805, 0362-9805
KeywordsData analysis, Estimation, Ideology, Legislative process, Political Science, Roll-call voting, Scale analysis, Spatial analysis, State legislative behaviour, U.S.A.
AbstractResearchers face two major problems when applying ideal point estimation techniques to state legislatures. First, longitudinal roll-call data are scarce. Second, even when such data exist, scaling ideal points within a single state is an inadequate approach. No comparisons can be made between these estimates and those for other state legislatures or for Congress. Our project provides a solution. We exploit a new comparative dataset of state legislative roll calls to generate ideal points for legislators. Taking advantage of the fact that state legislators sometimes go on to serve in Congress, we create a common ideological scale. Using these bridge actors, we estimate state legislative ideal points in congressional common space for 11 states. We present our results and illustrate how these scores can be used to address important topics in state and legislative politics. Adapted from the source document. Reprinted by permission of the Comparative Legislative Research Center, University of Iowa
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