Publications

Books

Zgaga, T. (2026). The Fiscal Governance of the European Union: Overcoming the Stability Paradigm? Palgrave Macmillan, European Administrative Governance series.

Thomann, E., Weaver, K., & Zgaga, T. (2026). Policy Dynamics in the European Union. Cambridge Elements Series in European Politics. Cambridge University Press. Open access.

Guest editorship of Special Issues

State and future of European Union fiscal integration. Journal of European Public Policy, forthcoming, guest-edited by Dr Tiziano Zgaga (LMU Munich), Dr Tomasz P. Woźniakowski (University of Wrocław), and Prof Dr Eva Thomann (University of Konstanz).

Comparative Fiscal Federalism and the Post‐Covid EU: Between Debt Rules and Borrowing Power. Politics and Governance, 2023, Volume 11, Issue 4, guest-edited by Prof Dr Sergio Fabbrini (LUISS University), Dr Tiziano Zgaga (University of Konstanz), and Dr Tomasz P. Woźniakowski (University of Wrocław).

Articles in peer-reviewed journals

Zgaga, T. (2026). Defence spending in the Multiannual Financial Framework 2028-2034: More own resources but no EU tax sovereignty. The Economists’ Voice. https://doi.org/10.1515/ev-2026-0049

Schramm, L., & Zgaga, T. (2026). The realisation of NextGenerationEU: Taking stock of the Recovery and Resilience Facility. Journal of European Public Policy. http://dx.doi.org/10.1080/13501763.2026.2716085

Zgaga, T. (2025). Financing defence in times of war: Switzerland’s conditional power to tax and insights for the European Union. Journal of European Public Policy. https://doi.org/10.1080/13501763.2025.2566999

Capati, A., Hegedus, D., & Zgaga, T. (2025). The elephant in the room: The European Council’s dominance in core state powers during times of crisis. Journal of Contemporary European Studies.https://doi.org/10.1080/14782804.2025.2577136

Zgaga, T., & Thomann, E. (2025). Understanding Literal Compliance in the European Union’s Multilevel Fiscal Governance. Regulation & Governance, 20(3), 1088-1104. https://doi.org/10.1111/rego.70025.

Thomann, E., Ioannidis, G., Zgaga, T., & Schwarz, F. (2025). Explaining Public Sector Corruption: The Hexagon Model. Governance, 38(2). https://doi.org/10.1111/gove.70000

Zgaga, T., Thomann, E., & Goubier, M. (2024). European Union versus core state powers: the customisation of EU fiscal policy. Journal of European Public Policy, 31(9), 2850-2877. https://doi.org/10.1080/13501763.2023.2217234

Fabbrini, S., & Zgaga, T. (2024). Right-Wing Sovereignism in the European Union: Definition, Features and Implications. Journal of Common Market Studies, 62(2), 341-359. https://doi.org/10.1111/jcms.13497

Zgaga, T. (2023). The Coexistence of Fiscal Sovereignties: the Post-Pandemic European Union in Comparative Perspective. Politics and Governance, 11(4). https://doi.org/10.17645/pag.v11i4.7244

Wozniakowski, T., Zgaga, T., & Fabbrini, S. (2023). Comparative Fiscal Federalism and the Post‐Covid EU: Between Debt Rules and Borrowing Power. Politics and Governance, 11(4), 1-5. https://doi.org/10.17645/pag.v11i4.7653

Zgaga, T. (2023). The fiscal sovereignty of the European Union after the COVID-19 pandemic and the war in Ukraine. Journal of European Integration, 45(4), 703-709. https://doi.org/10.1080/07036337.2023.2210967

Fabbrini, S., & Zgaga, T. (2019). Italy and the European Union: the discontinuity of the Conte government. Contemporary Italian Politics, 11(3), 280-293. https://doi.org/10.1080/23248823.2019.1642657

Chapters in edited volumes

Zgaga, T., Ioannidis, G., & Thomann, E. (2025). Mixed Methods. In S. Wolf & O. Meyer. (Eds.), Handbuch Korruptionsforschung. Springer VS, Wiesbaden. https://doi.org/10.1007/978-3-658-42592-0_27-1

Zgaga, T., & Zhelyazkova, A. (2024). Transposition of European Union legislation. In G. J. Brandsma (Ed.), Handbook on European Union Public Administration (pp. 266-278). Edward Elgar.

Thomann, E., & Zgaga, T. (2024). Practical implementation of European Union policies by member state administrations and street-level bureaucrats. In G. J. Brandsma (Ed.), Handbook on European Union Public Administration (pp. 279-294). Edward Elgar.

Zgaga, T. (2023). Ready for What? Germany, Italy, and the Future of EU Fiscal Integration. In T. Notermans, S. Piattoni, L. Verzichelli & C. Wagemann (Eds.), E la nave va…Italy and Germany in Turbulent Times. Villa Vigoni Editore Verlag. https://www.villavigoni.eu/publication/e-la-nave-va/

Zgaga, T., Thomann, E. (2023). Regulation in Public Policy. In: M. van Gerven, C. Allison Rothmayr, & K. Schubert (Eds.), Encyclopedia of Public Policy. Springer, Cham. https://doi.org/10.1007/978-3-030-90434-0_65-1

Fabbrini, S., & Zgaga, T. (2019). L’Italia e l’Unione europea: la discontinuità del governo Conte. In: E. Bressanelli & D. Natali (Eds.), Politica in Italia. I fatti dell’anno e le interpretazioni. Istituto Carlo Cattaneo. il Mulino.

Zgaga, T. (2018). A European Minister of Economy and Finance: Assessing the Commission’s Proposal and Comparing Germany’s and Italy’s Positions. In: J. Hien and C. Joerges (Eds.), Responses of European Economic Cultures to Europe’s Crisis Politics: the Example of German-Italian Discrepancies. Robert Schuman Centre for Advanced Studies. European University Institute. https://cadmus.eui.eu/bitstream/handle/1814/59884/HienJoerges_2018.pdf?sequence=1&isAllowed=y

Academic reports and research papers

Zgaga, T. (2023). Coherent or incoherent? Italian sovereignist parties in front of supranational crisis management. EU3D Research Paper No. 33. https://ssrn.com/abstract=4541293

Zgaga, T. (2023). The Italian Chamber of Deputies and the future of Europe: policy-focused and incomprehensive party positions. In: M. Gora, E. Thevenin, & K. Zielinska (Eds.), What future for Europe? Political actors’ narratives on European integration and democracy in national parliaments (2015–2021). EU3D Report 10. eu3d-report-10-gora.pdf (uio.no)

Zgaga, T., Capati, A., & Hegedus, D. (2023). The European Council: Actor and Arena of Dominance? EU3D Report 11. The European Council: Actor and Arena of Dominance? - EU3D (uio.no)

Gòra, M., & Zgaga, T. (2023). Reform Proposals for the future European Union (2015-2022). EU3D Report 14. Reform Proposals for the future European Union (2015-2022) - EU3D (uio.no)

Fabbrini, S., & Zgaga, T. (2023). Models of EU Polity Integration and Their Implications for Differentiation, Dominance, and Democracy: a Congruence Test. In: K. Czerska-Shawn, & M. Warat (Eds.), Imagining the future of Europe. Social and political actors' proposals on European integration. EU3D Report 13. eu3d-report-13-czeskashaw-warat.pdf (uio.no)

Fabbrini, S., Capati, A., Hegedus, D., & Zgaga, T. (2023). A federal union for dealing with the Russian war. EU3D Policy Brief No. 3. https://www.eu3d.uio.no/publications/eu3d-policy-briefs/eu3d-policybrief-3-fabbrini-capati-hegedus-zgaga.pdf

Fabbrini, S., & Zgaga, T. (2022). Sovereignism and its Implication: The Differentiated Disintegration of the European Union. EU3D Research Paper No. 22. https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4118801

Fossum, J. E., Garcia Quesada, M., & Zgaga, T. (2020) The EU’s non-members: Key principles, underlying logics and types of affiliation. EU3D Report No. 1. https://www.eu3d.uio.no/publications/eu3d-reports/eu3d-report-1-fossum.pdf

Blog posts

Zgaga, T. (2022). The German ’traffic light’ coalition: no commitment to stronger spending powers for the EU. Future of Europe Blog. https://futureofeurope.ideasoneurope.eu/2022/01/14/the-german-traffic-light-coalition-no-commitment-to-stronger-spending-powers-for-the-eu/