Abstract Are parties responsive to public opinion and, if so, to whom exactly? These key questions continue to be major topics of debate among party and representation scholars. This research note extends recent contributions to the literature in three distinct ways. Unlike most extant studies, I do not limit my analysis to Western European countries and the left-right dimension but examine party responsiveness across the entire EU with a focus on six key issues. Conceptually, I draw on two responsiveness frameworks that are concerned with distinct ways through which parties can change their position to align with the general electorate or their partisan supporters. The standard framework tests whether parties shift in the same direction as the public, whereas the congruent responsiveness framework focuses on whether parties reduce past incongruencies with the public. Using updated expert and voter survey time-series data for the period between 1999 and 2024, I show that parties are primarily responsive to their supporters. The uncovered patterns of responsiveness are consistent across responsiveness frameworks, issues, European regions, and time. Both mainstream and niche parties primarily respond to their supporters. The findings carry important implications for our understanding of representation in contemporary European politics.
Felix Lehmann (Tue,) studied this question.
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