Original Article

Public Choice

, Volume 131, Issue 3, pp 435-451

First online:

Changing minds? Not in Congress!

  • Keith T. PooleAffiliated withDepartment of Political Science, University of California Email author 

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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