Tobias Lenz

Prof. Dr.

  1. 2024
  2. Published

    The Legitimation of International Organizations: Introducing a New Dataset

    Schmidtke, H., Krösche, N., Schirmer, S. & Lenz, T., 01.02.2024, In: International Studies Perspectives. 25, 1, p. 86-110 25 p., ekad008.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  3. 2023
  4. Published

    Discovering Cooperation: Endogenous Change in International Organizations

    Lenz, T., Ceka, B., Hooghe, L., Marks, G. & Burilkov, A., 10.2023, In: Review of International Organizations. 18, 4, p. 631-666 36 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  5. Accepted/In press

    Globalising the Study of Diffusion: Multiple Sources and the East African Community

    Lenz, T. & Reiss, M., 04.08.2023, (Accepted/In press) In: Journal of European Public Policy. 29 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  6. E-pub ahead of print

    Expanding or defending legitimacy? Why international organizations intensify self-legitimation

    Schmidtke, H. & Lenz, T., 24.07.2023, (E-pub ahead of print) In: Review of International Organizations. 32 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  7. Published

    Agents, Audiences, and Peers: why international organizations diversify their legitimation discourse

    Lenz, T. & Schmidtke, H., 01.05.2023, In: International Affairs. 99, 3, p. 921-940 20 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  8. Published

    The Origins of Legitimation Strategies in International Organizations: Agents, Audiences and Environments

    Lenz, T. & Söderbaum, F., 01.05.2023, In: International Affairs. 99, 3, p. 899–920 22 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  9. 2022
  10. Published

    Global Theories of Regionalism

    Iroulo, L. C. & Lenz, T., 07.12.2022, Handbook on Global Governance and Regionalism. Rüland, J. & Carrapatoso, A. (eds.). Cheltenham: Edward Elgar Publishing, p. 36-51 16 p. (Edward Elgar Handbooks).

    Research output: Contributions to collected editions/worksChapterpeer-review

  11. Published

    Environmental commitments and rhetoric over the Pandemic crisis: social media and legitimation of the AIIB, the EAEU, and the EU

    Hall, S. G. F., Lenz, T. & Obydenkova, A., 01.10.2022, In: Post-Communist Economies. 34, 5, p. 577-602 26 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  12. Published

    Measuring institutional overlap in global governance

    Haftel, Y. Z. & Lenz, T., 01.04.2022, In: Review of International Organizations. 17, 2, p. 323-347 25 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  13. 2021
  14. Published

    Diffusion and Decentralized Bargaining in International Organizations: Evidence from Mercosur’s Dispute Settlement Mechanism

    Lenz, T., 01.12.2021, In: International Studies Review. 23, 4, p. 1859–1883 25 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  15. Published

    Interorganizational Diffusion in International Relations: Regional Institutions and the Role of the European Union

    Lenz, T., 02.07.2021, Oxford: Oxford University Press. 255 p. (Transformations in Governance)

    Research output: Books and anthologiesMonographsResearchpeer-review

  16. Published

    Claimed Legitimacy: Appreciating the Diversity of Regional Organizations

    Krösche, N., Schirmer, S. & Lenz, T., 01.07.2021, Hamburg: GIGA German Institute of Global and Area Studies, 13 p. (GIGA Focus Global; no. 4).

    Research output: Working paperWorking papers

  17. 2020
  18. Published

    The Rise of International Parliaments: Strategic Legitimation in International Organizations

    Schimmelfennig, F., Winzen, T., Lenz, T., Rocabert, J., Crasnic, L., Gherasimov, C., Lipps, J. & Mumford, D., 10.12.2020, 1 ed. Oxford: Oxford University Press. 368 p. (Transformations in Governance)

    Research output: Books and anthologiesBook

  19. 2019
  20. Contested World Order: The Delegitimation of International Governance

    Hooghe, L., Lenz, T. & Marks, G., 01.12.2019, In: Review of International Organizations. 14, 4, p. 731-743 13 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  21. Legitimacy and the Cognitive Sources of International Institutional Change: The Case of Regional Parliamentarization

    Lenz, T., Burilkov, A. & Viola, L. A., 01.12.2019, In: International Studies Quarterly. 63, 4, p. 1094-1107 14 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  22. EU-topia? A Critique of the European Union as a Model

    Lenz, T. & Nicolaidis, K., 11.2019, In: Culture, Practice and Europeanization. 4, 2, p. 78-101 24 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  23. A Theory of International Organization

    Hooghe, L., Lenz, T. & Marks, G., 29.08.2019, Oxford: Oxford University Press. 224 p.

    Research output: Books and anthologiesMonographsResearchpeer-review

  24. The Lima Summit: A Trial by Fire for the Pacific Alliance.

    Castro, R. & Lenz, T., 07.2019, Hamburg: GIGA German Institute of Global and Area Studies, 10 p. (GIGA Focus | Latin America; vol. 2019, no. 4).

    Research output: Working paperWorking papers

  25. EU Entrepreneurship, Norm Diffusion and the Parliamentarization of Regional Economic Organizations

    Lenz, T., 31.05.2019, Parliamentary Cooperation and Diplomacy in EU External Relations: An Essential Companion. Raube, K., Müftuler-Bac, M. & Wouters, J. (eds.). Cheltenham: Edward Elgar Publishing, p. 70-87 18 p.

    Research output: Contributions to collected editions/worksContributions to collected editions/anthologiesResearchpeer-review

  26. 2018
  27. The European Union: A Model Under ­Pressure

    Lenz, T., 12.2018, Hamburg: GIGA German Institute of Global and Area Studies, 13 p. (GIGA Focus | Global; vol. 2018, no. 6).

    Research output: Working paperWorking papers

  28. Frame Diffusion and Institutional Choice in Regional Economic Cooperation

    Lenz, T., 01.03.2018, In: International Theory. 10, 1, p. 31-70 40 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  29. 2017
  30. Legitimacy and Institutional Change in International Organisations: A Cognitive Approach

    Lenz, T. & Viola, L. A., 01.12.2017, In: Review of International Studies. 43, 5, p. 939-961 23 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  31. Democratic Legitimacy in Regional Economic Organizations: The European Union in Comparative Perspective

    Duina, F. & Lenz, T., 02.10.2017, In: Economy and Society. 46, 3-4, p. 398-431 34 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  32. Institutional Pioneers in World Politics: Regional Institution Building and the Influence of the European Union

    Lenz, T. & Burilkov, A., 01.09.2017, In: European Journal of International Relations. 23, 3, p. 654-680 27 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  33. The Rising Authority of International Organisations

    Lenz, T., 09.2017, Hamburg: GIGA German Institute of Global and Area Studies, 11 p. (GIGA Focus | Global; vol. 2017, no. 4).

    Research output: Working paperWorking papers

  34. Measuring International Authority: A Postfunctionalist Theory of Governance

    Hooghe, L., Marks, G., Lenz, T., Bezuijen, J., Ceka, B. & Derderyan, S., 17.08.2017, Oxford: Oxford University Press. 928 p.

    Research output: Books and anthologiesMonographsResearchpeer-review

  35. Vergleichende Regionalismusforschung

    Lenz, T. & Striebinger, K., 2017, Regionen und Regionalismus in den Internationalen Beziehungen: Eine Einführung. Koschut, S. (ed.). Wiesbaden: Springer Fachmedien Wiesbaden, p. 39-56 18 p.

    Research output: Contributions to collected editions/worksContributions to collected editions/anthologiesResearchpeer-review

  36. 2016
  37. Regionalism and Diffusion Revisited: From Final Design Towards Stages of Decision-making

    Duina, F. & Lenz, T., 01.10.2016, In: Review of International Studies. 42, 4, p. 773-797 25 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  38. The Identity/Policy Nexus in European Foreign Policy

    Hebel, K. & Lenz, T., 20.04.2016, In: Journal of European Public Policy. 23, 4, p. 473-491 19 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  39. Regional Institutional Design

    Lenz, T. & Marks, G., 02.2016, The Oxford Handbook of Comparative Regionalism . Börzel, T. A. & Risse, T. (eds.). Oxford: Oxford University Press, p. 513-537 25 p.

    Research output: Contributions to collected editions/worksContributions to collected editions/anthologiesResearchpeer-review

  40. Frame Diffusion: How European Union-Type Common Markets Have Spread Around the World

    Lenz, T., 2016, San Domenico di Fiesole: European University Institute, 33 p. (EUI Working Paper MWP; vol. 2016, no. 06).

    Research output: Working paperWorking papers

  41. 2015
  42. Patterns of International Organization: Specific vs. General Purpose

    Lenz, T., Bezuijen, J., Hooghe, L. & Marks, G., 2015, In: Politische Vierteljahresschrift. 49/2014, Sonderheft, p. 136-161 26 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  43. 2014
  44. Discovering cooperation: a contractual approach to institutional change in regional international organizations

    Marks, G., Lenz, T., Ceka, B. & Burgoon, B., 2014, San Domenico di Fiesole: European University Institute, 36 p. (EUI Working Paper RSCAS; vol. 2014, no. 65).

    Research output: Working paperWorking papers

  45. Patterns of international organization: task specific vs. general purpose

    Lenz, T., Bezuijen, J., Hooghe, L. & Marks, G., 2014, San Domenico di Fiesole: European University Institute, 24 p. (EUI Working Paper RSCAS; vol. 2014, no. 128).

    Research output: Working paperWorking papers

  46. 2013
  47. External Influences on Regionalism: Studying EU Diffusion and Its Limits

    Lenz, T., 17.07.2013, 5 p. E-International relations (E-IR).

    Research output: other publicationsArticles in scientific forums or blogsResearch

  48. EU Normative Power and Regionalism: Ideational Diffusion and its Limits

    Lenz, T., 06.2013, In: Cooperation and Conflict. 48, 2, p. 211-228 18 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  49. Does Regionalism Diffuse? A New Research Agenda for the Study of Regional Organizations

    Jetschke, A. & Lenz, T., 01.04.2013, In: Journal of European Public Policy. 20, 4, p. 626-637 12 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  50. 2012
  51. Spurred Emulation: The EU and Regional Integration in Mercosur and SADC

    Lenz, T., 01.01.2012, In: West European Politics. 35, 1, p. 155-173 19 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  52. 2011
  53. Vergleichende Regionalismusforschung und Diffusion: Eine neue Forschungsagenda

    Jetschke, A. & Lenz, T., 06.10.2011, In: Politische Vierteljahresschrift. 52, 3, p. 448-474 27 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  54. 2009
  55. From Geopolitics to Geoeconomics: The European Union's Promotion of Regional Integration in Latin America, 1980s - today

    Lenz, T., 05.07.2009, Saarbrücken: VDMA Verlag GmbH. 128 p.

    Research output: Books and anthologiesMonographsResearch

  56. 2006
  57. Via - communis Europa: Europe's architecture in 2020

    Bielawski, M., Jurišić, J., Lenz, T., Maxian Rusche, T. & Nippert, C., 2006, In: Welt Trends, Zeitschrift für internationale Politik und vergleichende Studien. 14, 50, p. 82-90 9 p.

    Research output: Journal contributionsJournal articlesResearch