Party novelty and congruence – New article co-authored with Allan Sikk published in Party Politics

A new article co-authored by Allan Sikk (UCL) and me has just been published in Party Politics. In it, we propose a new three-dimensional approach to party newness and an interval index of party congruence/novelty. Building on this, we also propose a split-vote-by-congruence (SBC) approach to electoral volatility that employs the index. Four elections from different…