This paper assesses the influence of the electoral threat of third parties on major-party roll call voting in the US House. Although low-dimensionality of voting is a feature of strong two-party politics, which describes the contemporary era, there is significant variation across members. I...

For a given distribution of voter ideal points, candidates may compete, not only by changing their policy platforms, but also by seeking to persuade voters to place more weight on one of the given dimensions. We do not examine persuasion mechanisms, per se, but, rather, investigate how change of...