Monographs

 


Journal Articles


  1. •Sommerer, Thomas and Jonas Tallberg. (2025): "Effects of Popular Legitimacy on International Organizations: An Elite Survey Experiment", in: Journal of Politics, forthcoming. https://doi.org/10.1086/735474

  2. •Debre, Maria J. and Thomas Sommerer. (2025). Are non-democracies taking over? Autocratization and international organization membership. Cooperation and Conflict, 0(0). https://doi.org/10.1177/00108367251364170

  3. •Squatrito, Theresa; and Thomas Sommerer (2024): "Informal governance and transnational access inworld politics", in: Regulation & Governance. https://doi.org/10.1111/rego.12636

  4. •Lundgren, Magnus, Tallberg, Jonas, Sommerer, Thomas, and Theresa Squatrito (2023): When are International Organizations responsive? International Studies Quarterly 67(3)

  5. •Lundgren, Magnus, Sommerer, Thomas, Squatrito, Theresa, and Jonas Tallberg (2023): Introducing the Intergovernmental Policy Output Dataset (IPOD). Review of International Organizations.

  6. •Sommerer, Thomas, Squatrito, Theresa, Tallberg, Jonas, and Magnus Lundgren (2021): Decision-making in international organizations: institutional design and performance. Review of International Organizations DOI: 10.1007/s11558-021-09445-x

  7. •Tallberg, Jonas, Lundgren, Magnus, Sommerer, Thomas, and Theresa Squatrito (2020): Why International Organizations Commit to Liberal Norms, International Studies Quarterly https://doi.org/10.1093/isq/sqaa046

  8. •Agné, Hans, Sommerer, Thomas, and David G. Angeler (2020): Introducing the Sounds of Data to the Study of Politics: A Choir of Global Legitimacy Crisis. New Political Science 42(3),DOI:10.1080/07393148.2020.1809760

  9. •Koliev, Faradj, Sommerer, Thomas, and Jonas Tallberg (2020): Compliance without coercion: Effects of reporting on international labor rights. Journal of Peace Research. https://doi.org/10.1177/0022343320910254

  10. •Sommerer, Thomas and Tallberg, Jonas (2019): Diffusion across International Organizations. Connectivity and Convergence. International Organization, 73(2), 399-433.

  11. •Bes, Bart, Sommerer, Thomas, and Agné, Hans (2019): On Legitimacy Crises and the Resources of Global Governance Institutions: A Surprisingly Weak Relationship? Global Policy. doi:10.1111/1758-5899.12685

  12. •Squatrito, Theresa, Lundgren, Magnus, and Sommerer, Thomas (2019): Shaming by international organizations: Mapping condemnatory speech acts across 27 international organizations, 1980–2015. Cooperation and Conflict, 54(3), 356–377.

  13. •Sommerer, Thomas (2016): Transnationale Zivilgesellschaft zwischen Dissidenz und Partizipation: Zum Zusammenhang von Protesten und der Institutionellen Öffnung Internationaler Organisationen. Zeitschrift für Internationale Beziehungen, 23 (2), 42-77.

  14. •Tallberg, Jonas, Sommerer, Thomas, Squatrito, Theresa and Lundgren, Magnus (2016): The Performance of International Organizations: An Output-Based Approach. Journal of European Public Policy, forthcoming.                     

  15. •Sommerer, Thomas and Tallberg, Jonas (2016): Transnational Access to International Organizations 1950–2010: A New Data Set. International Studies Perspectives. Online first, doi: 10.1093/isp/ekv022.

  16. •Tallberg, Jonas, Sommerer, Thomas, Squatrito, Theresa (2016): Democratic Memberships in International Organizations: Sources of Institutional Design. Review of International Organizations, 11(1): 59-87.

  17. •Sommerer, Thomas and Lim, Sijeong (2016): The Environmental State as a Model for the World? An Analysis of Policy Repertoires in 37 Countries. Environmental Politics 25 (1): 92-115.

  18. •Tallberg, Jonas, Squatrito, Theresa and Sommerer, Thomas (2015): Explaining Patterns in IO Openness: Governance Problems, Policy Approaches, and Institutional Design. Politische Vierteljahresschrift, Sonderheft Internationale Organisationen.

  19. •Tallberg, Jonas, Sommerer, Thomas, Squatrito, Theresa and Jönsson, Christer (2014): The Transnational Design of International Organizations. International Organization, Volume 68 (4), pp 741-774.

  20. •Holzinger, Katharina and Thomas Sommerer (2012): Was verursacht die Aufwärtsspirale in der Umweltpolitik? Der Einfluss internationaler Harmonisierung auf nationale Umweltstandards. In: Österreichische Zeitschrift für Politikwissenschaft Volume 41 (1), 53-72.

  21. •Holzinger, Katharina and Sommerer, Thomas (2011): The Myth of the Downward Spiral in Environmental Policy Regulation. In: Perspectives on Europe Volume 41 (1), 21-27.

  22. •Holzinger, Katharina and Sommerer, Thomas (2011): Race to the Bottom or Race to Brussels? Environmental Competition in Europe. In: Journal for Common Market Studies, Volume 49 (2), 315-339.

  23. •Holzinger, Katharina, Knill, Christoph, and Sommerer, Thomas (2011): Is There Convergence of National Environmental Policies? An Analysis of Policy Outputs in 24 OECD Countries. In: Environmental Politics, Volume 20 (1), 20-41.

  24. •Holzinger, Katharina, Knill, Christoph, Sommerer, Thomas (2010): Umweltpolitik zwischen Annäherung und Aufholjagd: Eine Analyse umweltpolitischer Konvergenz in 24 OECD-Länder. In: Zeitschrift für Umweltpolitik und Umweltrecht, Volume 33 (1), 1-31.

  25. •Holzinger, Katharina, Knill, Christoph, and Sommerer, Thomas (2008): Environmental Policy Convergence: The Impact of International Harmonization, Transnational Communication and Regulatory Competition. In: International Organization, Volume 62, (4), 553-588.

  26. •Heichel, Stephan, Pape, Jessica, and Sommerer, Thomas (2005): Is There Convergence in Convergence Research? An Overview of Empirical Studies on Policy Convergence. In: Journal of European Public Policy, Volume 12 (5), 817-840.

  27. •Behnke, Joachim, Kamm, Ruth, and Sommerer, Thomas (2003): Der Effekt der Neueinteilung der Wahlkreise auf die Entstehung von Überhangmandaten. In: Zeitschrift für Parlamentsfragen, Volume 34 (1), 122-145.


Chapters in Books / Edited Volumes


  1. •Agné, Hans; and Thomas Sommerer (2024): "Legitimacy in international organization. Concepts, findings and explanations", in: Reinalda, Bob; and Marieke Louis (ed.): Routledge Handbook of International Organization, 2nd edition, Abingdon/New York: Routledge. https://doi.org/10.4324/9781003428138

  2. •Duit, Andreas, Lim, Sijeong, and Thomas Sommerer (2022): Umweltschutz zwischen Staat und Markt: Regulierung und Performanz in 37 Ländern 1970-2010. In: Baltz, E., Kosanke, S., Pickel, S. (eds): Parties, Institutions and Preferences. Vergleichende Politikwissenschaft. Springer VS, Wiesbaden. https://doi.org/10.1007/978-3-658-35133-5_12 .

  3. •Koliev, Faradj, Sommerer, Thomas, and Tallberg, Jonas (2020): Reporting matters: performance indicators and compliance in the ILO. In: Judith Kelley and Beth Simmons (eds.): The Power of Global Performance Indicators. Cambridge: Cambridge University Press. Chapter 7. Forthcoming.

  4. •Sommerer, Thomas and Agné, Hans (2018): Consequences of Legitimacy in Global Governance. In: Jonas Tallberg Karin Bäckstrand, Jan Aart Scholte eds) Legitimacy in Global Governance: Sources, Processes, and Consequences. Oxford: Oxford University Press.

  5. •Squatrito, Theresa, Sommerer, Thomas and Tallberg, Jonas (2016): Transnational Access to International Organizations 1950-2010: Structural Factors and Critical Junctures. Forthcoming in: Thomas Rixen, Lora Viola and Michael Zürn (eds.): Historical Institutionalism and International Relations: Explaining Institutional Development in World Politics. Oxford: Oxford University Press.

  6. •Sommerer, Thomas (2014): Early Bird or Copycat, Leader or Laggard? A Comparison of Cross-National Patterns of Environmental Policy Change. In: Andreas Duit (ed.), State and Environment: The Comparative Study of Environmental Governance. Cambridge, Mass.: MIT Press.

  7. •Holzinger, Katharina and Sommerer, Thomas (2013): EU Environmental Policy: Greening the World? In: Falkner, Gerda and Mueller, Patrick (eds.): EU Policies in a Global Perspective: Shaping or taking international regimes? London: Routledge.

  8. •Holzinger, Katharina, Knill, Christoph, Sommerer, Thomas (2013): Is There Convergence of National Environmental Policies? An Analysis of Policy Outputs in 24 OECD Countries. In: Helge Jörgens, Andrea Lenschow and Duncan Liefferink (eds.) Understanding Environmental Policy Convergence The Power of Words, Rules and Money. Cambridge: Cambridge University Press.

  9. •Sommerer, Thomas and Heichel, Stephan (2009): Globalisierung und Umweltregieren: Die Konvergenz von Politiken in der OECD-Welt. In: Johannes Kessler and Christian Steiner (eds.): Facetten der Globalisierung: Zwischen Ökonomie, Politik und Kultur, Wiesbaden: vs Verlag, 117-140.

  10. •Heichel, Stefan and Sommerer, Thomas (2009): Mixed-Methodologies: Ein kombiniertes quantitatives und qualitatives Forschungsdesign in der Policy-Analyse am Beispiel eines Projekts zu Konvergenz in der Umweltpolitik. In: Schnapp, Kai-Uwe/Nathalie Behnke and Joachim Behnke (eds.): Datenwelten. Datenerhebung und Datenbestände in der Politikwissenschaft, Baden-Baden: Nomos, 200-217.

  11. •Sommerer, Thomas, Holzinger, Katharina, Knill, Christoph (2008): The pair approach: what causes convergence of environmental policies? In: Katharina Holzinger, Christoph Knill and Bas Arts (eds.): Environmental policy convergence in Europe: the impact of international institutions and trade. Cambridge: Cambridge University Press, 144-195.

  12. •Knill, Christoph, Sommerer, Thomas, Holzinger, Katharina (2008): Degree and direction of environmental policy convergence: analysis of aggregate data. In: Katharina Holzinger, Christoph Knill and Bas Arts (eds.): Environmental policy convergence in Europe: the impact of international institutions and trade. Cambridge: Cambridge University Press, 98-143.

  13. •Heichel, Stephan, Holzinger, Katharina, Sommerer, Thomas, Liefferink, Duncan, Pape, Jessica, Veenman, Sietske (2008): Research design, variables and data. In: Katharina Holzinger, Christoph Knill and Bas Arts (eds.): Environmental policy convergence in Europe: thempact of international institutions and trade. Cambridge: Cambridge University Press, 64-97.

  14. •Heichel, Stephan and Sommerer, Thomas (2007): Unterschiedliche Pfade, ein Ziel? Spezifikation im Forschungsdesign und Vergleichbarkeit der Ergebnisse bei der Suche nach der Konvergenz nationalstaatlicher Politiken. In: Katharina Holzinger, Helge Jörgens and Christoph Knill (eds.): Transfer, Diffusion und Konvergenz von Politiken. Politische Vierteljahresschrift Sonderhefte 38/2007. Wiesbaden: vs Verlag, 107-130.

  15. •Holzinger, Katharina, Knill, Christoph and Sommerer, Thomas (2007): Konvergenz der Umweltpolitiken in Europa? Der Einfluss internationaler Institutionen und der ökonomischen Integration. In: Katharina Holzinger, Helge Jörgens and Christoph Knill (eds.): Transfer, Diffusion und Konvergenz von Politiken. Politische Vierteljahresschrift Sonderhefte 38/2007. Wiesbaden: vs Verlag, 377-406.

  16. •Holzinger, Katharina and Sommerer, Thomas (2007): “Race to the Top” oder “Race to Brussels”? Harmonisierung und Regulierungswettbewerb im Umweltschutz. In: Wolfgang Kerber and Klaus Heine (eds.): Zentralität und Dezentralität von Regulierung in Europa. Stuttgart: Lucius und Lucius, 207-236.

  17. •Heichel, Stephan, Pope, Jessica, Sommerer, Thomas (2006): Is There Convergence in Convergence Research? An Overview of Empirical Studies on Policy Convergence. In: Christoph Knill (ed.): Cross-national Policy Convergence. Causes, Concepts and Empirical Findings. New York: Taylor and Francis, 54-77.

  1. •Sommerer, Thomas, Agné, Hans, Zelli, Fariborz, and Bart Bes (2022): Global Legitimacy Crises. Decline and Revival in Multilateral Governance. Oxford University Press. OA.

  2. •Tallberg, Jonas, Sommerer, Thomas, Squatrito, Theresa and Christer Jönsson (2013): The Opening Up of International Organizations. Transnational Access in Global Governance. Cambridge University Press. 

  3. •Sommerer, Thomas (2010): Können Staaten voneinander Lernen?: eine vergleichende Analyse der Umweltpolitik in 24 Ländern. Wiesbaden: vs Verlag für Sozialwissenschaften.

  4. •Holzinger, Katharina, Knill, Christoph, Heichel, Stephan, Sommerer, Thomas (2010): Theorie und Empirie internationaler Politikkonvergenz: Eine Analyse der Umweltpolitik in 24 OECD Staaten, Leverkusen: Budrich.