The note further illustrates that these measures of horizontal accountability appear closely related to the transnational cleavage, as the party families at the pole of this divide (greens and the radical right) are also furthest from one another on the measure of horizontal accountability. 5/

The 2024 CHES included for the first time questions to measure positions on executive constraints & judicial independence, key features of horizontal accountability. Here, the rad right party family stands out as much less likely to support constraints on executives & judicial independence 4/

We further report a sharp and sustained increase in the correlation between party positions on European integration and party stances on immigration, which indicates the emergence and durability of a transnational cleavage in European party politics. 3/

Within the note we show that while the economic left-right positioning of the radical right party family has not shifted markedly to the left overall, the economic positioning of parties within the family has become more diverse over time. 2/

The CHES EU team has published a new research note in @electoralstudies.bsky.social describing some trends across the 25 years now covered by our trend file and exploring two new items included in the 2024 wave of the survey: doi.org/10.1016/j.el...
Here’s a summary thread:
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The 2024 CHES survey is well on its way to finalizing, and we hope to release it soon after closing the survey. In a preliminary look of western Europe, notice the continued presence of the inverted U of EU support and left-right.