dhr. dr. G. (Gijs) Schumacher

  • Faculteit der Maatschappij- en Gedragswetenschappen
    Programmagroep: Challenges to Democratic Representation
  • Bezoekadres
    REC BC
    Nieuwe Achtergracht 166  Kamernummer: B10.08
  • Postadres:
    Postbus  15578
    1001 NB  Amsterdam
  • G.Schumacher@uva.nl

I am an Assistant Professor in Political Science. My research is about political parties, populism, personality and emotions. For more information go to my personal website.

I am also co-director of the Hot Politics Lab, a lab specializing in the role of emotions, personality and strategy in politics.

With four colleagues I am co-founder and regular contributor to a Dutch political science blog stukroodvlees.nl.


  • Schumacher, G., & Giger, N. (in press). Do leadership-dominated parties change more? Journal of Elections, Public Opinion and Parties, 1-12. DOI: 10.1080/17457289.2017.1403920 
  • Schumacher, G., & Giger, N. (2017). Who Leads the Party?: On membership size, selectorates and party oligarchy. Political Studies.
  • Polk, J., Rovny, J., Bakker, R., Edwards, E., Hooghe, L., Jolly, S., ... Zilovic, M. (2017). Explaining the salience of anti-elitism and reducing political corruption for political parties in Europe with the 2014 Chapel Hill Expert Survey data. Research & Politics, 4(1). DOI: 10.1177/2053168016686915  [details] 
  • van der Velden, M., Schumacher, G., & Vis, B. (2017). Living in the Past or Living in the Future? Analyzing Parties’ Platform Change In Between Elections,The Netherlands 1997–2014. Political Communication. DOI: 10.1080/10584609.2017.1384771 


  • Bakker, B. N., Klemmensen, R., Nørgaard, A. S., & Schumacher, G. (2016). Stay loyal or exit the party? How openness to experience and extroversion explain vote switching. Political Psychology, 37(3), 419-429. DOI: 10.1111/pops.12257  [details] 
  • Bakker, B. N., Rooduijn, M., & Schumacher, G. (2016). The psychological roots of populist voting: Evidence from the United States, the Netherlands and Germany. European Journal of Political Research, 55(2), 302-320. DOI: 10.1111/1475-6765.12121  [details] 
  • Schumacher, G., & van Kersbergen, K. (2016). Do mainstream parties adapt to the welfare chauvinism of populist parties? Party Politics, 22(3), 300-312. DOI: 10.1177/1354068814549345  [details] 
  • Marx, P., & Schumacher, G. (2016). The effect of economic change and elite framing on support for welfare state retrenchment: a survey experiment. Journal of European Social Policy, 26(1), 20-31. DOI: 10.1177/0958928715621711  [details] 


  • Schumacher, G. (2015). When does the left do the right thing? A study of party position change on welfare policies. Party Politics, 21(1), 68-79. DOI: 10.1177/1354068812470505  [details] 
  • Schumacher, G., van de Wardt, M., Vis, B., & Baggesen Klitgaard, M. (2015). How aspiration to office conditions the impact of government participation on party platform change. American Journal of Political Science, 59(4), 1040-1054. DOI: 10.1111/ajps.12174  [details] 
  • Baggesen Klitgaard, M., Schumacher, G., & Soentken, M. (2015). The partisan politics of institutional welfare state reform. Journal of European Public Policy, 22(7), 948-966. DOI: 10.1080/13501763.2014.978355  [details] 
  • Elmelund-Præstekær, C., Baggesen Klitgaard, M., & Schumacher, G. (2015). What wins public support? Communicating or obfuscating welfare state retrenchment. European Political Science Review, 7(3), 427-450. DOI: 10.1017/S1755773914000253  [details] 
  • Ennser-Jedenastik, L., & Schumacher, G. (2015). Why Some Leaders Die Hard (and Others Don’t): Party Goals, Party Institutions, and How They Interact. In W. Cross, & J-B. Pilet (Eds.), The Politics of Party Leadership: A Cross-National Perspective (pp. 107-127). Oxford: Oxford University Press. DOI: 10.1093/acprof:oso/9780198748984.003.0007  [details] 
  • Helboe Pedersen, H., & Schumacher, G. (2015). Do Leadership Changes Improve Electoral Performance? In W. Cross, & J-B. Pilet (Eds.), The Politics of Party Leadership: A Cross-National Perspective (pp. 149-164). Oxford: Oxford University Press. [details] 


  • Elmelund-Præstekær, C., & Schumacher, G. (2014). Én for alle og alle for én? Mønstre i og effekter af partiintern uenighed blandt folketingskandidaterne ved 2011-valget. Politica : tidsskrift for politisk videnskab, 46(3), 296-322. [details] 


  • Schumacher, G. (2013). Political parties’ welfare image, electoral punishment and welfare state retrenchment. Comparative European Politics, 11(1), 1-21. DOI: 10.1057/cep.2012.5 
  • Schumacher, G., & Rooduijn, M. (2013). Sympathy for the ‘devil’? Voting for populists in the 2006 and 2010 Dutch general elections. Electoral Studies, 32(1), 124-133. DOI: 10.1016/j.electstud.2012.11.003  [details] 
  • Schumacher, G., de Vries, C. E., & Vis, B. (2013). Why do parties change position? Party organization and environmental incentives. The Journal of Politics, 75(2), 464-477. DOI: 10.1017/S0022381613000145  [details] 
  • Manow, P., van Kersbergen, K., & Schumacher, G. (2013). De-industrialization and the expansion of the welfare state: a reassessment. In A. Wren (Ed.), The political economy of the service transition (pp. 227-247). Oxford: Oxford University Press. DOI: 10.1093/acprof:oso/9780199657285.003.0007 
  • Marx, P., & Schumacher, G. (2013). Will to power? Intra-party conflict in social democratic parties and the choice for neoliberal policies in Germany, the Netherlands and Spain (1980-2010). European Political Science Review, 5(1). DOI: 10.1017/S1755773912000070 


  • Schumacher, G. (2012). ‘Marx’ or the market? Intra-party power and social democratic welfare state retrenchment. West European Politics, 35(5). DOI: 10.1080/01402382.2012.706409 
  • Schumacher, G., & Vis, B. (2012). Why do social democrats retrench the welfare state? A simulation. Journal of Artificial Societies and Social Simulation, 15(3), [4]. DOI: 10.18564/jasss.1959 


  • Schumacher, G. (2011). Signalling a change of heart? How parties’ short-term ideological shifts explain welfare state reform. Acta Politica, 46(4), 331-352. DOI: 10.1057/ap.2011.17 


  • Bakker, B. N. (Author), Rooduijn, M. (Author), & Schumacher, G. (Author). (2017). Response to Schimpf and Schoen’s Response to Bakker, Rooduijn and Schumacher (2016). Open Science Framework.


  • Bakker, B. N. (Author), Schumacher, G. (Author), & Rooduijn, M. (Author). (2016). Raken we opgewonden van de politiek?. Stuk Rood Vlees.
  • Bakker, B. N. (Author), Schumacher, G. (Author), & Rooduijn, M. (Author). (2016). Het was de boze, blanke man, in het stemhokje, met het stempotlood.. Stuk Rood Vlees.
  • Bakker, B. N. (Author), Rooduijn, M. (Author), & Schumacher, G. (Author). (2016). Persoonlijkheid en de twee routes die steun voor Trump verklaren. Stuk Rood Vlees.
  • Bakker, B. N. (Author), Schumacher, G. (Author), & Rooduijn, M. (Author). (2016). Persoonlijkheid en de twee routes die steun voor Trump verklaren.
  • Bakker, B. N. (Author), Schumacher, G. (Author), & Rooduijn, M. (Author). (2016). How 'deplorable' are Trump voters? What the data reveal.
  • Bakker, B. N. (Author), Schumacher, G. (Author), & Rooduijn, M. (Author). (2016). Donald Trump’s support comes from two distinct groups: authoritarians who oppose immigration and anti-establishment voters [blog].
  • Bakker, B. N. (Author), Schumacher, G. (Author), Klemmensen, R. (Author), & Nørgaard, A. S. (Author). (2016). Staying loyal or leaving the party? How open and extrovert personality traits help explain vote switching.
  • Schumacher, G., Schoonvelde, M., Traber, D., Dahiya, T., & de Vries, E. (2016). EUSpeech: A New Dataset of EU Elite Speeches. In Proceedings of the International Conference on the Advances in Computational Analysis of Political Text (PolText 2016) Dubrovnik.
  • Ceron, A. (Author), Greene, Z. (Author), Schumacher, G. (Author), & Fazekas, Z. (Author). (2016). The Nuts and Bolts of Automated Text Analysis. Comparing Different Document Pre-Processing Techniques in Four Countries. Open Science Framework.


  • Bakker, B. (Author), Rooduijn, M. (Author), & Schumacher, G. (Author). (2016). Experimentje in een tentje – verslag van Lowlands Science. [details] 
  • Bakker, B. N., Rooduijn, M., & Schumacher, G. (2016). The populist personality. In J. Sides, & H. Farrell (Eds.), The Science of Trump: Explaining the Rise of an Unlikely Candidate (pp. 76-86)


  • Rooduijn, M., & Schumacher, G. (2013). De zwakte van het midden. Socialisme en Democratie, 70(5), 37-39. [details] 


  • Schumacher, G., Schoonvelde, M., Dahiya, T., & de Vries, E. EUSpeech. A Dataset of EU Elite Speeches 2007-2015


  • Bakker, B. N., Rooduijn, M., & Schumacher, G. (2015). Personality and populism: Refining the theory. Abstract from Dutch Political Psychology conference, Amsterdam, .
  • Bakker, R., Edwards, E., Hooghe, L., Jolly, S., Koedam, J., Kostelka, F., ... Zilovic, M. 1999-2014 Chapel Hill Expert Survey Trend File
  • Giger, N., & Schumacher, G. Integrated Party Organization Dataset (IPOD) DOI: 10.7910/DVN/PE8TWP 


  • Bakker, Bert & Schumacher, Gijs (12-05-2017): Regeert de onderbuik echt?. Regeert de onderbuik echt? (Noordhollands Dagblad).
  • Bakker, Bert, Rooduijn, Matthijs & Schumacher, Gijs (09-03-2017): De Onderbuik van Nederland [Television] De Kennis van Nu. De Kennis van Nu: de Onderbuik van Nederland.
  • Bakker, Bert, Schumacher, Gijs & Rooduijn, Matthijs (16-12-2016): Een verhoogde hartslag op Lowlands [Print] Spui magazine. Een verhoogde hartslag op Lowlands.
  • Bakker, Bert, Schumacher, Gijs & Rooduijn, Matthijs (03-11-2016): De wetenschap van het populisme NTR: De Kennis van Nu. De Kennis van Nu: De wetenschap van het populisme.
  • Bakker, Bert, Schumacher, Gijs & Rooduijn, Matthijs (18-08-2016): Lowlands Science 2016: Pijn, porno en politiek New Scientist. Lowlands Science.
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