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Jelle Koedam

@jellekoedam

Political Scientist @ University of Zurich | PhD UNC Chapel Hill | Research on polarization, multidimensionality, European politics

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23.09.2023
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Latest posts by Jelle Koedam @jellekoedam

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De symfonie van onvrede - Singel Uitgeverijen Catherine de Vries groeide op op een boerderij in Overijssel die al generaties in de familie was. Eind jaren tachtig veranderde dat leven ingrijpend: dalende prijzen, Europese regels en terughoudende ...

Precies over een maand, op 12 maart verschijnt mijn boek De symfonie van onvrede: De opmars van radicaal-rechts in Europa bij Querido:

www.singeluitgeverijen.nl/querido/boek...

Dit boek gaat me aan het hart en ik kom graag een lezing geven.

🧡

12.02.2026 07:55 πŸ‘ 52 πŸ” 18 πŸ’¬ 2 πŸ“Œ 1

Wow, amazing! Congrats, Luis (and coauthors)! πŸŽ‰

19.01.2026 11:13 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Gefeliciteerd, Mathilde! Dat is fantastisch nieuws!

12.01.2026 12:17 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Wauw, gefeliciteerd! πŸŽ‰

09.12.2025 13:38 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Gefeliciteerd, Matthijs! Dat is fantastisch nieuws! πŸŽ‰

03.11.2025 14:11 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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🚨 New article out in @jeppjournal.bsky.social with @svenhegewald.bsky.social

β€œThe changing geography of support for European integration in the shadow of the Ukraine war."

How did Russia’s invasion reshape public support for EU policies?

www.tandfonline.com/doi/full/10....

21.10.2025 08:06 πŸ‘ 33 πŸ” 8 πŸ’¬ 1 πŸ“Œ 1

Congrats, Theresa! That's amazing! πŸŽ‰

23.09.2025 07:51 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Wat mooi! Gefeliciteerd, Sarah!

19.09.2025 09:27 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
The Electoral Appeal of Symbolic Class Signalling Through Cultural Consumption | British Journal of Political Science | Cambridge Core The Electoral Appeal of Symbolic Class Signalling Through Cultural Consumption - Volume 55

Really happy to see my work with @dweisstanner.bsky.social published with @bjpols.bsky.social. In this letter, we look at symbolic class signalling through cultural consumption and how effective it is across voters of different parties.

A thread πŸ‘‡ (1/n)

#OpenAccess - cup.org/3GSCIKV

21.07.2025 13:59 πŸ‘ 59 πŸ” 24 πŸ’¬ 2 πŸ“Œ 1
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Together with @jellekoedam.bsky.social, @tinepaulsen.bsky.social, and @nicolaiberk.bsky.social, we brought together an amazing group of researchers doing exciting work here in Zurich β€” and it turned into a super fun, engaging workshop. Huge thanks to everyone who joined and made it so special!

04.07.2025 15:07 πŸ‘ 54 πŸ” 12 πŸ’¬ 5 πŸ“Œ 2

Gefeliciteerd, Gijs! πŸŽ‰

01.07.2025 13:54 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Congratulations on two huge milestones, Tadeas! πŸŽ‰

16.06.2025 11:09 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Gefeliciteerd, Maurits! Exciting times ahead!

17.04.2025 14:46 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Congrats, Tadeas! πŸŽ‰

17.03.2025 18:48 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Thank you, Tadeas! Glad you find it helpful :)

03.03.2025 08:19 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Thanks, Seth! πŸ™

27.02.2025 10:58 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

How should we study party polarization in Europe?

Happy to share that our paper on *multidimensional* polarization is now out @bjpols.bsky.social! (more πŸ‘‡)

26.02.2025 09:39 πŸ‘ 74 πŸ” 32 πŸ’¬ 2 πŸ“Œ 3

Thank you for sharing!

26.02.2025 11:07 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Thanks so much, Ana!

26.02.2025 11:07 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Thank you for sharing, Alina!

26.02.2025 11:06 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Paper is part of my @snsf-ch.bsky.social Ambizione

More to come soon, including code to easily use our measures yourself!

26.02.2025 09:39 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Using @chesdata.bsky.social and @cses.bsky.social data, we demonstrate the value of our multidimensional approach and its ability to better predict mass partisanship

26.02.2025 09:39 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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We introduce the *effective dimensionality* of a political space, and use it to analyze multidimensional polarization

βœ… Simple, intuitive, and easily extended to any type or number of dimensions

26.02.2025 09:39 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Main point 🎯

-- Dimensions can collapse into 1D polarization (see PT)
-- Dimensions can be orthogonal and produce 2D polarization (see NL)

🚨 Reinforcing vs. cross-cutting polarization have different consequences for democracy!

26.02.2025 09:39 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

⚠️ Left vs. right polarization frequently underestimates party differences, especially on cultural issues

⚠️ Summing up individual polarization scores assumes dimensional independence

➑️ We need an alternative approach!

26.02.2025 09:39 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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We argue that left vs. right polarization is ill-suited to capture contemporary party conflict

European party systems are complex, fragmented, and structured by multiple ideological divides (e.g., economic + cultural)

26.02.2025 09:39 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

How should we study party polarization in Europe?

Happy to share that our paper on *multidimensional* polarization is now out @bjpols.bsky.social! (more πŸ‘‡)

26.02.2025 09:39 πŸ‘ 74 πŸ” 32 πŸ’¬ 2 πŸ“Œ 3

Congratulations, Zeynep! πŸŽ‰

22.02.2025 07:47 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Postdoctoral fellow in political science: party competition in Europe Are you our next postdoc with a focus on using expert surveys to examine political party competition around cleavage politics? The Department of Political Science invites applications for a 2-year pos

I am looking to hire a post-doctoral researcher to work with me in a project on social cleavages and political party competition in Europe:
lu.varbi.com/en/what:job/...
Happy to answer any questions, and thanks in advance for circulating the call!

21.02.2025 09:54 πŸ‘ 66 πŸ” 89 πŸ’¬ 0 πŸ“Œ 1
CHES-Canada β€” Chapel Hill Expert Survey

Check out the latest addition to the CHES family, CHES-Canada 2023: www.chesdata.eu/chescanada

Thanks to @jellekoedam.bsky.social & @rdassonneville.bsky.social for their work on this project!

More news to follow soon on CHES-Europe 2024!

20.02.2025 16:39 πŸ‘ 18 πŸ” 7 πŸ’¬ 0 πŸ“Œ 1