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Marius Perrin
PhD Candidate
Centre for European Studies and Comparative Politics (CEE)
Research Interest(s): Far right Mainstreaming Sweden, Norway Coalitions Local politics
Biography
Marius Perrin graduated from Sciences Po in 2024, earning a Master's degree in Public Policy and Public Administration. At Sciences Po's School of Public Affairs, he took part in the Research Track in political science. He dedicated his Master’s thesis in comparative politics to the study of local coalitions including populist radical right parties in Sweden and Norway. Before that, he obtained a Bachelor's degree in Social Sciences at Sciences Po and a Bachelor’s degree in History from Sorbonne Université.
Research
Marius Perrin’s work explores the evolution of the populist radical right in Western Europe, coalition politics, notably at the local level, and mainstreaming strategies. His research focuses more specifically on Sweden and Norway, where he conducts field research. For his doctoral thesis, jointly supervised by Nicolas Sauger and Caterina Froio, Marius Perrin will work on the development of mainstreaming and ostracism processes in Europe, explaining how parties from both left and right seek to ostracise or legitimise each other in the political competition.
Conference
- Swedish Political Science Association Conference (SWEPSA) Oct 2025, "Does mainstreaming mean moderation? A computational analysis of the Sweden Democrats’ positional shifts"
- ECPR Joint Sessions of Workshops May 2025, "Gamson’s Law in the City Hall: The Populist Radical Right and the Dilemma of Allocating Municipal Portfolios in Sweden »
Contact
Thesis topic
"Respectable opponents; explaining transformations of mainstreaming strategies for populist radical right-wing parties in Europe", under the supervision of Nicolas Sauger and Caterina Froio
Teaching
- Instructor for Rethinking the Nordic Model, Sciences Po, Paris Fall 2025, EN (with Saga Oskarson Kindstrand)
- Instructor in Comparative Politics, Sciences Po, Paris Fall 2025, EN
- Instructor in Political Science, Sciences Po, Paris (Reims) Spring 2025, FR
- TA for Democratic Backsliding, Sciences Po, Paris Spring 2025, FR
- TA in Comparative Politics, Sciences Po, Paris Fall 2024, EN
publications
- Perrin, M. 2025. “Gamson’s Law in the City Hall: The Populist Radical Right and the Dilemma of Allocating Municipal Portfolios in Sweden.” Scandinavian Political Studies 0: 1–15. https://doi.org/10.1111/1467-9477.70031