Public Choice

, Volume 131, Issue 3–4, pp 435–451

Changing minds? Not in Congress!

Original Article


This paper shows a variety of evidence that members of Congress are ideologically consistent. Based upon the roll call voting record, once elected to Congress, members adopt a consistent ideological position and maintain it over time. There may be changing minds, but they are not in Congress.


Congress NOMINATE Optimal Classification 


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Department of Political ScienceUniversity of CaliforniaSan Diego, La JollaUSA

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