• Köker, Philipp. 2017. Presidential Activism and Veto Power in Central and Eastern Europe. Cham: Palgrave Macmillan. [publisher link]
  • Ledeneva, Alena, Bratu, Roxana and Köker, Philipp. (Eds.) 2017. Innovations in Corruption Studies. Cambridge: Modern Humanities Research Association. [publisher link]
    (Previously published as Special Issue of the Slavonic and East European Review 95:1)


  • Köker, Philipp. 2019. The effects of majority requirements, selectorate composition and uncertainty in indirect presidential elections: The case of Estonia. East European Politics. (in print) [publisher link]
  • Köker, Philipp. 2019. Risk or Reward: Party strategies and extra-parliamentarian electors in German presidential elections, 1949-2017. German Politics (in print) [publisher link]
  • Sikk, Allan, and Köker, Philipp. 2017. Party novelty and congruence: a new approach to measuring party change and volatility. Party Politics (in print). [publisher link/Open Access]
  • Ledeneva, Alena, Bratu, Roxana, and Köker, Philipp. 2017. Innovations in Corruption Studies: Bringing corruption studies in the 21st century. Slavonic and East European Review 95 (1): 1-20. [publisher link/Open Access]
  • Köker, Philipp. 2014. Semi-structured elite interviews in a nested analysis framework: Studying presidential activism in Central and Eastern Europe. SAGE Research Methods Cases. [publisher link/Open Access]


  • Köker, Philipp. 2016. Review: Gwiazda, Anna. 2015. Democracy in Poland. Representation, participation, competition and accountability since 1989. East European Politics. 32 (3), 401-402. [publisher link/Open Access]
  • Köker, Philipp. 2015. Review: Nikolenyi, Csaba. 2014. Institutional Design and Party Government in Post-Communist Europe. Oxford: OUP. Europe-Asia Studies 67 (10): 1727-1728. [publisher link/Open Access]
  • Köker, Philipp. 2015. Review: ‘Presidents above Parties? Presidents in Central and Eastern Europe, Their Formal Competencies and Informal Power, Vít Hloušek (ed.)’ CEU Political Science Journal 10 (1-2): 147-150. [Open Access]


  • Why dictators veto: Legislation, legitimacy and control in Kazakhstan and Russia [abstract]
  • Rejuvenation or Renomination? Corruption and candidate turnover in CEE. (with Allan Sikk) [link]
  • Candidate Turnover and Party System Change in Central and Eastern Europe. (with Allan Sikk) [link]


  • Köker, Philipp. 2015. Veto et Peto: Patterns of Presidential Activism in Central and Eastern Europe. PhD thesis, University College London. Available at:


  • Köker, Philipp. 2016. ‘An Introduction to Elite Interviewing. SAGE Research Methods. [publisher link]
  • Köker, Philipp. 2016. ‘Researching Presidential Activism in Central and Eastern Europe: Interviewing Political Elites’. SAGE Research Methods. [publisher link]