Research & projects

"In my research I seek to understand the patterns, reasons and consequences of how policies are put into practice. What makes policies work?"

Customizing Europe

posted Jul 23, 2015, 12:41 AM by Eva Thomann   [ updated Sep 2, 2019, 5:29 AM ]

The European Union (EU) was created to reconcile far-reaching economic integration with legitimate
differences in national pr
nces. Research on
the adoption of EU law by member states has typically focused on the question of (non-)compliance, but neglected the
more fine-grained differences between countries. However, even if compliance is given, then countries still differ considerably in the degree to which they adopt more and stricter rules than the EU. The adoption of divergent domestic policies, tailor-made to domestic circumstances, is an intended, widespread and neglected aspect of the European experience. This phenomenon, which I call "customization", is distinct from and has different explanations than compliance. A large-N study of customization patterns in 27 member states and two policy sectors shows that customization patterns are highly sector-specific and follow specific regulatory logics of EU policies. When only looking at patterns of (non-)compliance, we miss important variation in how member states interpret and adapt EU law. EU policies are rarely traced down the full implementation chain. We still hardly know, for instance, whether and how EU food safety policy actually matters for preventing or reducing antibiotic resistance.
In my research  I am interested in the implications of customized policies for how common policy problems, such as food safety in the European single market, are jointly, yet differently resolved in the EU. For example, I seek to understand whether transposing countries act in rational and opportunistic manners, according to institutionally embedded habits, or both when customizing EU law. Furthermore, how and why do functionally integrated non-members such as Switzerland customize relevant EU directives, as compared to EU countries? And how does how does the customization of EU food safety policy affect its successful implementation into practice?
I explored these questions in my postdoctoral research project "The customization of European Union directives: an international comparative inquiry",  funded by the Swiss National Science Foundation. I expanded on this research and broadened it to more policy fields and member states in another SNF-funded project titled "Policy Implementation in the Regulatory State: Assessing the problem-solving capacity of the European Union". This project entailed a number of collaborations, including Ellen Mastenbroek and Asya Zhelyazkova from Radboud University Nijmegen, and Jale Tosun from Heidelberg University. In Spring 2017, I spent four months at the Department of Political and Social Sciences at the European University Institute in Florence to work on my single-authored monograph on the topic.
In this book, titled  "Customized implementation of European Union food safety policy: United in diversity?" and published in Palgrave's International Series on Public Policy, I look at how five Western European countries (including Switzerland) customize EU food safety policies, and how that affects policy outcomes. As the first systematic comparative study of customization for the problem-solving capacity of the EU, this study sheds light on the differentiated role that customization plays as a problem-solving strategy for successful implementationTaken together, these results have implications for the EU's "better regulation" agenda. Particularly, the crucial element does not seem to be to avoid over-implementation at all costs, but to identify the conditions under which it can be reconciled with dynamics of Europeanization.
European integration implies a loss of sovereignty for nation states. The customization phenomenon relativizes the extent of this loss of control. It highlights similarities of member state implementation in the EU with other multilevel systems such as Switzerland, and paints a differentiated and realistic picture of European integration in practice. 

Read the blog post "Beyond legal compliance in EU multilevel implementation" to find out more about the related special issue in the Journal of European Public Policy, co-edited with Fritz Sager 

Related publications
Thomann, E. (2019). Customized implementation of European Union food safety policy: United in diversity?  Palgrave Macmillan, International Series on Public Policy. Winner of the 2019 IPPA best book award
Thomann, E. and A. Zhelyazkova. 2017. Moving beyond (non-)compliance: the customization of European Union policies in 27 countries. Journal of European Public Policy, DOI: 10.1080/13501763.2017.1314536.
Thomann, E. and F. Sager. 2017. Moving beyond legal compliance: Innovative approaches to EU multi-level implementation. Journal of European Public Policy, DOI:10.1080/13501763.2017.1314541.
Thomann, E. and F. Sager. 2017. Toward a better understanding of implementation performance in the EU multi-level system. Journal of European Public Policy, DOI: 10.1080/13501763.2017.1314542.
Thomann, E. 2015. Customizing Europe: Transposition as bottom-up implementation. Journal of European Public Policy 22(10): 1368-1387.
Sager, F., Thomann, E., Zollinger, C. and C. Mavrot. 2014. Confronting theories of European integration: A comparative congruence analysis of veterinary drugs regulations in five countries. Journal of Comparative Policy Analysis: Research and Practice 16(5):457-474.

Case-oriented and set-theoretic methods

posted Apr 19, 2015, 8:55 AM by Eva Thomann   [ updated Jul 27, 2018, 3:01 AM ]

Empirical research methods should help us answer substantial research questions.
Both in my research and teaching, I am particularly interested in how empirical research can be designed using the appropriate, latest state-of-the-art tools to establish valid inference. My own research often focuses on empirical situations that are characterized by small or intermediate numbers of cases, complex causal patterns and context-specific explanations. Recent years have witnessed exciting innovations in qualitative comparative research methodology to systematically tackle such patterns. For instance,
congruence analysis integrates theoretical expectations and reduces confirmation bias in qualitative case studies. Multi-levelled contextual effects can be integrated in qualitative small-N comparisons. I am also interested in the potential of combining explanatory typologies with probability tests.
Qualitative Comparative Analysis (QCA) offers an advanced and systematized way to analyzing necessary and sufficient conditions, which is currently in rapid development. I seek to integrate the most recent improvements of QCA. For instance, I combine QCA with in-depth within- case analyses, based on formalized case selection procedures. I use formal theory evaluation to evaluate set-theoretic hypotheses. QCA can also be employed to depict typological patterns. Due to its case-sensitiveness, it should be combined with systematic robustness Tests, especially when being used to evaluate theories on large samples.

Related publications

Thomann, E. and M. Maggetti. 2017. Designing Research with Qualitative Comparative Analysis (QCA): Approaches, Challenges, and Tools. Sociological Methods & Research, DOI: 10.1177/0049124117729700.

Thomann, E. Oana, E. and S. Wittwer. 2018. Performing fuzzy- and crisp set QCA with R: A user-oriented beginner’s guide. URL:

Thomann, E. van Engen, N. and L. Tummers. 2018. The necessity of discretion: a behavioral evaluation of bottom-up implementation theory.  Journal of Public Administration Research and Theory, DOI: 10.1093/jopart/muy024  

Thomann, E., Hupe, P. and F. Sager. 2017. Serving Many Masters: Public Accountability in Private Policy Implementation. Governance, DOI: 10.1111/gove.12297

Thomann, E. and A. Manatschal (2016). Identifying context and cause in small-N settings: A Comparative Multilevel Analysis. Policy Sciences 49(3): 335-348.

Sager, F. and E. Thomann (2016). Multiple streams in member state implementation: politics, problem construction and policy paths in Swiss asylum policy. Journal of Public Policy, DOI:10.1017/S0143814X1600009X.

Hinterleitner, M., Sager, F. and E. Thomann (2016). The Politics of External Approval: Explaining the IMF’s Evaluation of Austerity Programs. European Journal of Political Research 55(3): 549–567.

Sager, F., Thomann, E., Zollinger, C. and C. Mavrot (2014). Confronting theories of European integration: A comparative congruence analysis of veterinary drugs regulations in five countries. Journal of Comparative Policy Analysis: Research and Practice 16(5):457-474.

Street-level bureaucracy

posted Apr 5, 2015, 5:14 AM by Eva Thomann   [ updated Sep 2, 2019, 5:31 AM ]

Policies undergo considerable changes during their implementation.
I am particularly interested in street-level bureaucrats as policy makers - the actors who implement policies at the frontline in interaction with citizens, such as police officers, nurses and food safety inspectors. How do street-level bureaucrats deal with pressures for efficiency emerging from high caseloads and often insufficient resources? What is the role of discretion for motivating street-level bureaucrats to implement a policy? My research with Nadine van Engen and Lars Tummers suggests that behavioral perspective is useful to clarify long-standing differences between the assumptions of top-down and bottom-up implementation theories.  Specifically, street-level bureaucrats need to feel they have discrétion to influence a policy, in order to be willing to implement that policy.  Moreover, Carolin Rapp and I have studied how stereotypes and implicit biases affect the delivery of public services to target groups.

Much of my earlier research on street-level buraucrats focuses on the under-researched  situations when actors from the private sector implement public policies for Profit. The term "private governance" expresses that in today's complex and interconnected world, private actors are increasingly involved in public policy. Public goods, measures and services are nowadays often delivered by private actors for profit. The implications of this, however, are still poorly understood. The theoretical assumption is typically that market actors are more efficient and effective than public actors. Contrary to this, my research illuminates how the multiple roles created in such hybrid implementation settings might conflict and thus negatively affect the delivery of intended policy measures. The introduction of market elements requires an expansion of our current understanding of street-level accountability: for-profit street-level bureaucrats are not only held accountable by the state, their professional peers and their clients, but also by their shareholders and customers.  This can create irreconcilable dilemmas for policy implementers. From an institutional logics perspective, the market implies a capitalist logic which, if in conflict with the logic of the state, is demonstrably prioritized by for-profit policy implementers. The different accountability mechanisms imposed on for-profit policy implementers to ensure that they deliver public policies in a comprehensive and equitable manner thus require special attention. Together with Peter Hupe and Fritz Sager, we propose an extended accountability regimes framework which helps capture and analyze such dynamics.

The Permanent Study Group XIII on Public Policy of the European Group for Public Administration (EGPA), which I co-chair together with Anat Gofen and Harald Saetren, is a platform for a vibrant network of leading implementation scholars from Europe and beyond.

Related publications

Thomann, E., Hupe, P. and F. Sager. 2018. Serving Many Masters: Public Accountability in Private Policy Implementation. Governance 31(2): 299–319.

Thomann, E. van Engen, N. and L. Tummers. 2018. The necessity of discretion: a behavioral evaluation of bottom-up implementation theory.  Journal of Public Administration Research and Theory, DOI: 10.1093/jopart/muy024 

Thomann, E. and C. Rapp. 2017. Who Deserves Solidarity? Unequal Treatment of Immigrants in Swiss Welfare Policy Delivery. Policy Studies Journal, DOI: 10.1111/psj.12225.

Thomann, E. and F. Sager. 2017. Hybridity in action: Accountability dilemmas of public and for-profit food safety inspectors in Switzerland. In: Paul Verbruggen and Tetty Havinga (Eds). Hybridization of food governance: Trends, types and results. Cheltenham and Massachusetts: Edward Elgar, 100-120.

Thomann, E., Lieberherr, E. and K. Ingold (2016). Torn between state and market: Private policy implementation and conflicting institutional logics. Policy & Society 35(1): 57-69.

Thomann, E. (2015). Is output performance all about the resources? A fuzzy-set Qualitative Comparative Analysis of street-level bureaucrats in Switzerland. Public Administration 93(1): 177-194.

Sager, F., Thomann, E. Zollinger, C., van der Heiden, N. and C. Mavrot (2014). Street-level bureaucrats and New Modes of Governance – How Conflicting Roles Affect the Implementation of the Swiss Ordinance on Veterinary Medicinal Products. Public Management Review 16(4): 481-502.

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