Admissions 2021

Recent publications by our PhD researchers

Ruhnau, O., Bucksteeg, M., Ritter, D., et al. (2022): Why electricity market models yield different results: Carbon pricing in a model-comparison experiment. Renewable and Sustainable Energy Reviews. 

Weinhardt, C., Schöfer, T. (2021): Differential treatment for developing countries in the WTO: the unmaking of the North–South distinction in a multipolar worldThird World Quarterly.

Bünder, T., Karekezi, C., Wirtz, V. (2021): Governing industry involvement in the non-communicable disease response in Kenya. Globalization & Health. 

Deo, S., Sontakke, N. (2021): Usability, user comprehension, and perceptions of explanations for complex decision support systems in finance: A robo-advisory use case. Computer. 

Eicke, A., Ruhnau, O., Hirth, L. (2021): Electricity balancing as a market equilibrium: An instrument-based estimation of supply and demand for imbalance energy. Energy Economics.

Naujoks, T., Kreyenfeld, M., Dummert, S. (2021): The division of child care during the coronavirus crisis in Germany: How did short-time work affect fathers’ engagement? Journal of Family Research.

Garten, F. (2021): The challenge of Chinese digital payment networks. 9Dashline.

Khanna, T. et al. (2021): A multi-country meta-analysis on the role of behavioural change in reducing energy consumption and CO2 emissions in residential buildings. Nature Energy. 

Ruhnau, O., Qvist, S. (2021): Storage requirements in a 100% renewable electricity system: Extreme events and inter-annual variability. EconStor. 

Khanna, T. (2021): Optimizing agricultural demand response for reducing costs of renewable energy integration in India. EconStor. 

Khanna, T. (2021): Power system flexibility will be essential for India to reach its renewable energy targets. IEA 2021. 

Cejudo, G., Michel, C. (2021): Instruments for policy integration: how policy mixes work together. SAGE Open. 

Deo, S., Sontakke, N. (2021): User-centric explainability in fintech applications. Springer, Cham. 

Bucksteeg, M., Wiedmann, M., Pöstges, A., et al. (2021): The transformation of integrated electricity and heat systems - Assessing mid-term policies using a model comparison approach. EconStor.

Pöstges, A., Bucksteeg, M., Ruhnau, O., et al. (2021): Phasing out coal - An impact analysis comparing five large-scale electricity market modelsEconStor.

Cloete, S., Ruhnau, O., Cloete, J. H., Hirth, L. (2021): Blue hydrogen and industrial base products: The future of fossil fuel exporters in a net-zero worldEconStor.

Salazar Morales, D., Hallerberg, M. (2021): The role of fiscal coordination and partisanship in the Spanish fiscal federalist system. Journal of Regional and Federal Studies.

Salazar Morales, D. (2021): The reputational basis of policy success in comparative perspective. Evidence from the education sector in Peru and Bolivia. Governance.

Salazar Morales, D. (2021): Neoliberal governmentality in higher education in Peru: An example of students’ unions’ resistance and conflict. In: Murphy, Mark et al. (eds), Theorizing the University: Critical perspectives on institutional research. Bloomsbury Academic. 

Ferrara, F. M., Haas, J., Peterson, A., Sattler, T. (2021): Exports vs. investment: How political discourse shapes popular support for external imbalances. Socio-Economic Review.

Rodger, B., Maher, I., Riordan, R. (2021): A decade of EU law in the courts of Scotland and Ireland: national legal systems compared. Legal Studies

Jerg, L., O'Reilly, J., Schulze Buschoff, K. (2021): Adapting social protection to the needs of multiple jobholders in Denmark, the United Kingdom and Germany.  Transfer: European Review of Labour and Research.

Rackwitz, M., Hustedt, T., Hammerschmid, G. (2021). Digital transformation: From hierarchy to network-based collaboration? The case of the German “Online Access Act”. dms – der moderne staat – Zeitschrift für Public Policy, Recht und Management.

Ruhnau, O. (2021): How flexible electricity demand stabilizes wind and solar market values: the case of hydrogen electrolyzers. EconStor.

Lindemann, K., Stoetzer, L.F. (2021): The effect of televised candidate debates on the support for political parties. Electoral Studies.

Mejía, L. (2020): Judicial review of regulatory decisions: Decoding the contents of appeals against agencies in Spain and the United Kingdom. Regulation & Governance.

Eicke, A., Khanna, T., Hirth, L. (2020): Locational investment signals in electricity markets: How to steer the location of new power generation capacity. The Energy Journal.

Brüggmann, D. (2020): Women’s employment, income and divorce in West Germany: A causal approachJournal for Labour Market Research.

Flonk, D., Jachtenfuchs, M., Obendiek, A.(2020): Authority conflicts in internet governance: Liberals vs. sovereigntists? Global Constitutionalism.

Maher, I., Riordan, R. (2020): The Supreme Court and EU law: Reshuffling institutional balance. UCD Working Papers in Law.

Salazar Morales, D., Lauriano, L. A. (2020): A typology of the Latin American civil servant: Patronage appointee, technocrat, loyalist, or careerist. In: Sullivan H. et al. (eds), The Palgrave Handbook of the Public Servant. Palgrave Macmillan, Cham. 

Upcoming defences

24 November 2021, 4:00 pm (online): Daniëlle Flonk, “Content control contestations:
How and why Internet governance norms emerge and develop"
| Doctoral committee: Prof. Dr. Jan Aart Scholte (Leiden University), Prof. Daniela Stockmann, PhD (Hertie School), Prof. Dr. Markus Jachtenfuchs (Hertie School), Dr. Keegan McBride (Hertie School).

26 November 2021, 2:00 pm (hybrid): Enora Palaric, “From symbolic politics to policy learning? A comparative case study of policy changes in the context of impact assessment in France, Germany and Italy " | Doctoral committee: Prof. Dr. Gerhard Hammerschmid (Hertie School), Prof. Dr. Eva Heidbreder (Otto von Guericke Universität Magdeburg), Prof. Dr. Kai Wegrich (Hertie School), Dr. Jessica Breaugh (Hertie School).

Recent activities by our PhDs and Alumni

Our PhD candidate Tarun Khanna contributed to two 2021 International Energy Agency Reports on Renewables Integration in India and India Energy Outlook 2021. His work on integration of renewables in India using agricultural demand was used in both reports. 

Check out this blog about European Studies called European Communities, run by our PhD candidate Gil Thompson since late August 2021. 

Our PhD Alumnus Dr. Vladimir Bogoeski was interviewed by his department at the Amsterdam Law School on the developments in the first year of the N-EXTLAW project he is part of. 

Ruhnau, Oliver: Oliver, a PhD candidate at the Centre for Sustainability and Research Associate to Prof. Lion Hirth, was awarded a prize for the second-best student paper at the annual conference of the International Association of Energy Economics (IAEE). He focused on renewable electricity and hydrogen electrolysis as two important solutions for the energy transition and climate change mitigation in his paper titled How flexible electricity demand stabilizes wind and solar market values: the case of hydrogen electrolyzers.

Deo, Sahil: Sahil has been active in Pune, India throughout the pandemic and has been working with the Pune Platform for COVID Response on a new initiative to obtain and distribute oxygen in local hospitals. Supplies are being sourced and shipped from Singapore with the help of funds raised here in Germany and all over the world. 

Ruhnau, Oliver: Founding member of the student-led d\carb Future Economy Forum.
"How can our economy transition toward a sustainable future? I am proud to be part of the d\carb initiative, where we aim to find answers to this important question. Inviting global thought-leaders to interactive talks, panels, and other formats, we want to stimulate a scientifically founded, but widely accessible public debate about urgently needed answers for a better tomorrow. The event series is hosted by Hertie School’s Centre for Sustainability. Find out more at"

Current PhD Representatives

Our PhD Reps give a voice to their peers at the Hertie School.