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Mathias Kruse

@matkruse.bsky.social
310 followers 313 following 41 posts

Assistant Professor, Political Science @AarhusUni. Immigration | Discrimination | Socialization www.mathiaskruse.com

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Reposted by Mathias Kruse
Mikael Persson @professormpersson.bsky.social · 03/10/2025
The 5th Nordic Political Behavior Workshop in Trondheim! @lchristensen.bsky.social @rdassonneville.bsky.social @finseraas.bsky.social et al!
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Laura Kettel @laurakettel.bsky.social · 12/06/2025
📣New publication! Out in Perspectives on Politics Reassessing the Impact of Local Control: When Smaller Local Governments Permit More Housing Coauthored w/ @mvinaes.bsky.social 👉 doi.org/10.1017/S153... We study the effect of a municipal reform in DK: 🏘️ What happens to housing supply? ⤵️ (1/2)
doi.org
Reassessing the Impact of Local Control: When Smaller Local Governments Permit More Housing | Perspectives on Politics | Cambridge Core
Reassessing the Impact of Local Control: When Smaller Local Governments Permit More Housing
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Mathias Kruse @matkruse.bsky.social · 02/06/2025
My recent article in @pnas.org is now open access: www.pnas.org/doi/10.1073/... ➡️ Conclusion: Having co-ethnic peers in school increases immigrants and descendants' long-term integration 🧵👇
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Roman Senninger @rsenninger.bsky.social · 30/05/2025
Do campaigns make voters less vulnerable to framing? Our study of Denmark’s 2022 EU referendum suggests they can. Framing effects declined as voters became more informed and drew on their own EU attitudes. Happy to share it's now accepted in the EJPR! Pre-print: osf.io/preprints/os...
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Danbischof @danbischof.bsky.social · 14/05/2025
#jobs 🚨🚨🚨 4 postdocs in Münster: stellen.uni-muenster.de/jobposting/5... I‘m involved in one appointment. More details will follow soon!
stellen.uni-muenster.de
Postdoctoral Research Associate - EU Forscher*in - (salary level E 13 TV-L, 100 %)
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Roman Senninger @rsenninger.bsky.social · 01/05/2025
🚨 New book alert! Policy Preparation Inside the European Commission is out with OUP @oxfordacademic.bsky.social It’s about the behind-the-scenes stage of EU policymaking that shapes everything—yet rarely gets the spotlight: how the Commission prepares its proposals. Link: doi.org/10.1093/9780...
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Kristina Bakkær Simonsen @kristinabsimonsen.bsky.social · 30/04/2025
You've still got two weeks to apply 💫 Don't be afraid to reach out if you have any questions about the position, the department, or me 💁🏻‍♀️ #polisky #poliscijobs #poliscijobmarket #psjminfo #academicjobs
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Mathias Kruse @matkruse.bsky.social · 28/04/2025
Politically The findings highlight the importance of addressing negative stereotypes and enhancing information flow to reduce bias in diversifying Europe. 9/9
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Mathias Kruse @matkruse.bsky.social · 28/04/2025
The study, thus, suggests that negative expectations toward minorities stem less from sticky ethnic attributes and more from the social and cultural factors associated with them. 8/9
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Mathias Kruse @matkruse.bsky.social · 28/04/2025
Theoretically Ethnic bias in expectations operates through multiple complementary channels related to ➡️ minorities’ ressources and ‘abilities to pay’ ➡️ the degree to which cultural values are (assumed to be) shared, and ➡️ compliance with socially agreed-upon norms. 7/9
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Mathias Kruse @matkruse.bsky.social · 28/04/2025
Findings #2 However, this ethnic bias diminishes when information on individuals’ socio-economic status, cultural values, or norm compliance is available. When all three factors are accounted for, the expectation gap disappears. 6/9
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Mathias Kruse @matkruse.bsky.social · 28/04/2025
Findings #1 The ethnic majority in Denmark initially expects individuals with Middle Eastern names to contribute 9.2% less to public goods than individuals with Danish names. 5/9
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Mathias Kruse @matkruse.bsky.social · 28/04/2025
In an innovative conjoint experimental design in DK, the study manipulated participants’ information about hypothetical individuals who engaged in a public goods game. The design provides a good measure of expectations and, importantly, enables to causally test the different mechanisms. 4/9
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Mathias Kruse @matkruse.bsky.social · 28/04/2025
I argue that ethnicity operates as a bundled signal for people's socioeconomic resources, cultural alignment, and norm compliance. The main argument: It is these factors, not ethnicity per se, that explain negative expectations toward minorities' cooperation and contribution. 3/9
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Mathias Kruse @matkruse.bsky.social · 28/04/2025
Negative expectations toward minorities often fuel social division and undermine public goods provision. But what drives these biases? 2/9
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Mathias Kruse @matkruse.bsky.social · 28/04/2025
🚨New article🚨 Why does the ethnic majority expect that ethnic minorities "free ride" and contribute less to the collective? In a new article in @bjpols.bsky.social, I show that negative expectations are driven by the correlates of ethnicity rather than ethnicity itself 🧵👇 OA-link: cup.org/4lOX7jN
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British Journal of Political Science @bjpols.bsky.social · 28/04/2025
NEW - The Correlates of Ethnicity: Why the Ethnic Majority Expects That Ethnic Minorities Contribute Less to the Collective - cup.org/4lOX7jN - @matkruse.bsky.social #OpenAccess
BJPolS societal views towards immigrants and ethnic minorities in Europe, focusing on resource contribution and compliance with societal norms. The text discusses a study in Denmark regarding information manipulation and its effects on societal perceptions.
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Viki Lyngby Hvid @vikipedersen.bsky.social · 19/03/2025
CALL FOR ABSTRACTS: CEPDISC’25 Conference on Discrimination September 24-26, 2025 Horsens, Denmark The conference brings together researchers working on discrimination from both theoretical and empirical perspectives. Deadline for abstract submission is 15 May. See the website for more info:
ps.au.dk
CEPDISC'25 Conference on Discrimination
13th Annual Conference of the Comparative Agendas Project (CAP) at Aarhus University.
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Mathias Kruse @matkruse.bsky.social · 30/01/2025
@weekendavisen.dk bringer i dag en historie baseret på min, @tsguul.bsky.social og Kristian Kriegbaum Jensens artikel udgivet i AJS. Link til Weekendavisen: www.weekendavisen.dk/2025-5/ideer...
weekendavisen.dk
Lige børn trives bedst
Klasseskel. Et nyt dansk studie ser ud til at bekræfte en ubekvem sandhed: Børn trives bedst, når deres klassekammerater har samme etniske baggrund som dem selv. Hvad kan vi bruge den erkendelse til?
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Reposted by Mathias Kruse
Florian Keppeler @flokeppeler.bsky.social · 12/01/2025
#Wilmasreview of the week Wilma 🐶 has done well adjusting to life in Denmark. She quickly understood the importance of enjoying the sun, esp during dark winters. 😎 But what about migrant children, how does their integration work? In a @pnas.org study, Wilma's colleague @matkruse.bsky.social shows: 🧵
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Mathias Kruse @matkruse.bsky.social · 12/01/2025
Thank you so much for you and Wilmas awesome review! 🙏🙏
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Mathias Kruse @matkruse.bsky.social · 06/01/2025
Feel free to reach out to get access to the article at matkr@ps.au.dk. 9/9
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Mathias Kruse @matkruse.bsky.social · 06/01/2025
Conclusion The study points to the complex nature of intergroup integration but at the same time suggests that local settings with some minority members may foster minorities’ wellbeing without substantively reducing the well-being of the ethnic majority. 8/9
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Mathias Kruse @matkruse.bsky.social · 06/01/2025
For minority students, having similar peers increases well-being by promoting feelings of acceptance and belonging and reducing loneliness. For majority students, a substantial share of out-group peers reduces well-being in particular by generating a dissatisfaction with the local environment. 7/9
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Mathias Kruse @matkruse.bsky.social · 06/01/2025
These effects are driven by different theoretical mechanisms: 6/9
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Mathias Kruse @matkruse.bsky.social · 06/01/2025
For majority: Effects are largest when the share of minority students is substantial For minority: Marginal effects flatten out + are substantial at lower conc. of similar peers ➡️ Whereas being in a dominant position is key for the majority, simply having someone is sufficient for the minority 5/9
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Mathias Kruse @matkruse.bsky.social · 06/01/2025
What do we find? Exposure to ethnic similarity increases well-being (std.) across diff. identification strategies and measures of similarity. Ex: A higher share of non-Western students in the classroom decreases well-being for majority students and increases well-being for minority students. 4/9
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Mathias Kruse @matkruse.bsky.social · 06/01/2025
We combine Danish registry data with panel survey data from all 4th to 9th grade students in Danish public schools (N∼700,000). To reduce selection, we use three different sources of variation in the classroom ethnic composition: within-school, within-family, and within-student variation 3/9
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Mathias Kruse @matkruse.bsky.social · 06/01/2025
We argue that exposure to ethnic similarity in the local setting promotes well-being for both the ethnic majority and the ethnic minority but for theoretically different reasons. 2/9
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Mathias Kruse @matkruse.bsky.social · 06/01/2025
🚨New publication🚨 In a new article in American Journal of Sociology, @tsguul.bsky.social , Kristian K. Jensen, and I show that exposure to ethnic similarity in the local setting increases well-being for the ethnic majority + ethnic minority 🧵👇1/9 Link: www.journals.uchicago.edu/doi/10.1086/...
journals.uchicago.edu
Does Ethnic Similarity Increase Well-Being?1 | American Journal of Sociology: Vol 130, No 4
How do people react to ethnic (dis)similarity? Whereas prior studies on ethnic diversity and intergroup contact often focus on interpersonal outcomes such as prejudice and trust, we turn to an essenti...
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American Political Science Review @apsrjournal.bsky.social · 19/12/2024
Just published on APSR First View: "The Vietnam Draft Lottery and Whites’ Racial Attitudes: Evidence from the General Social Survey" by Donald Green and Oliver Hyman-Metzger. www.cambridge.org/core/journal...
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Martin Bækgaard @martinbaekgaard.bsky.social · 06/12/2024
In a new article out in @pnas.org w @michaelsvarer.bsky.social @albecknielsen.bsky.social Michael Rosholm. www.pnas.org/doi/10.1073/..., we explore the long-term unemployment and mental health effects of active labor market programs.
pnas.org
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Mathias Kruse @matkruse.bsky.social · 07/12/2024
Huge congrats! Really important work and results!
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Thank you very much, Peter!
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Tusind tak skal du have, Aske!
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Thanks a ton, Nick!
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Thank you very much, Troels!
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Summing up: The study demonstrates the non-trivial causal effect of migrant children’s social environment for their naturalization, showing that the modest presence of coethnic peers can be a precondition for, not a barrier to, integration. 15/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
This time-trend is indicative of i) the positive effects manifesting in the longer-term and ii) that the effects are conditioned by the Danish citizenship regime that became increasingly, and ultimately highly, restrictive after the introduction of a 3-y mandatory integration program in 98/99. 14/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Result #4 Is the positive effect of coethnic peers on naturalization consistent over time? No. The positive effect is largest among those who attended school in the 1990s. 13/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Result #3.2: Skills mechanism Higher test scores in 9th grade are associated with an increased likelihood of acquiring Danish citizenship later on; results that are robust once the within-school-within-family model is used. 12/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Result #3.1: Skills mechanism Exposure to coethnics increases students’ test scores in math and Danish in the 9th grade exams. Avg. effects exist for all immigrants and descendants (A) but are driven by the population of interest - those without citizenship in the first school-year obs. (B). 11/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Why is there a positive effect of being exposed to coethnic peers during childhood? There is limited support for the information dissemination mechanism; partial (but statistically imprecise) support for the identity mechanism; and strong support for the skill-based mechanism. 10/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Effect sizes are non-trivial. A 1(2) SD increase in the coethnic concentration increases the probability of getting Danish citizenship with 1(2) percentage points. This is comparable to the effect of standardizing the fee-waiver application in the US (www.pnas.org/doi/10.1073/...). 9/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Result #2 Does exposure to coethnic students increase naturalization? Yes. There is a positive effect of a higher coethnic concentration on citizenship acquisition. The effect is mainly a product of the modest presence of co-ethnics (as native Danes often remains the dominant ethnic group). 8/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Result #1 Does exposure to ethnic majority students increase naturalization? No. There is a small, negative, and decreasing effect of a higher ethnic majority concentration on citizenship acquisition. 7/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
To reduce selection, I compare siblings who attended the same school but who, due to their year of birth, were assigned to different school grades. The identifying assumption: Conditional on time fixed effects, the within-school-within-family variation is as-if-randomly assigned. 6/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
Using Danish registry data, I estimate the effect of the school-grade ethnic composition on non-EU immigrant and descendants’ probability of getting Danish citizenship between 1991 and 2018 (N_individuals~100,000). 5/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
From another perspective, exposure to *coethnic* peers could increase naturalization as coethnic peers might … i) disseminate relevant information ii) increase national identification e.g., by reducing ethnic awareness iii) create a safe environment conducive for developing skills (I argue). 4/15
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Mathias Kruse @matkruse.bsky.social · 28/11/2024
From one perspective, exposure to *ethnic majority* peers could increase naturalization as exposure to mainstream society might reduce ethnic identities and strengthen attachment to society. 3/15
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