Job Announcement: Researcher (f/m/diverse) Global Tax Expenditures Database

The German Institute of Development and Sustainability (IDOS) is one of the world’s leading research institutions and think tanks for global sustainable development. It contributes, through research, policy advice and training, to finding answers to global questions affecting our future.


For its research project on “Tax Expenditures and the Fiscal Contract” (TEFISCON), IDOS Research Programme “Transformation of Political (Dis-) Order: Institutions, Values & Peace” is looking for a


Researcher (f/m/diverse)

Part time 65% (25.35 hours/week)

German public sector tariff, EG13 TVöD Bund

Position No. 2023-D-01


The position may be filled as of 01 June 2023 and is limited to three years. A contract extension may be possible.


TEFISCON is a German-French project funded by Deutsche Forschungsgemeinschaft (DFG) and Agence Nationale de la Recherche (ANR), implemented jointly with Université Clermont Auvergne. The project deals with the impact of tax expenditures on the fiscal contract in low- and middle-income countries. Activities are embedded in IDOS’ long-standing work on tax and development, which has led to the launch of the Global Tax Expenditures Database ( in June 2021. In the context of the project, the IDOS team will conduct field research in Zimbabwe, Uganda and Colombia, using a mix of qualitative and quantitative methods.


The position is aimed at doctoral students who want to combine the acquisition of professional experience with the completion of a dissertation. Preferably, your doctorate will be under the supervision of a colleague based at IDOS. The dissertation topic should have a content-related and methodological proximity to the TEFISCON project.


Qualifications and requirements:

  • A Master with excellent grades in economics (in particular public finance), political science or related fields.
  • Proven knowledge of taxation in developing countries. In-depth knowledge of tax expenditures as well as experience with policy advice are additional assets.
  • Experience with research methodologies in social sciences. Skills in quantitative research methods and willingness to develop them further.
  • Research or work experience in sub-Saharan Africa and / or Latin America is an asset.
  • Willingness to work in an interdisciplinary, globally dispersed team.
  • Proven organizational skills.
  • Fluent written and spoken English. Good command of Spanish and / or French is an asset.
  • Willingness and aptness to travel abroad, including countries with a tropical climate (“Tropentauglichkeit”).


We offer:

  • Flexible working hours with a weekly working time of 25.35 hours (65%).
  • Possibility of mobile working (“Homeoffice”).
  • Participation in research and policy advice activities in an experienced team.
  • Possibility to use a subsidized job ticket and a good connection to public transport.
  • Trainings for further professional development.
  • Company pension scheme with the VBLU.
  • Many more social and monetary benefits.


The IDOS offers an inspiring, family-friendly working environment at the interface of research and policy advice, with ample opportunities to engage in international discussions, political processes and scientific debates.


In the case of equal qualification, physically challenged persons will be given preference. We want to promote the diversity of our employees and would like applications from women, men and diverse people.


For further questions, please contact Christian von Haldenwang.


Applications with the position number 2023-D-01 with detailed documents (cover letter, curriculum vitae, relevant certificates) must be submitted exclusively via application portal by 28 February 2023. The expected date for interviews is 27 March 2023.

German Institute of Development and Sustainability (IDOS)
Tulpenfeld 6, 53113 Bonn
Telefon +49 (0)228 94927-0, Telefax +49 (0)228 94927-130