Open Call for Guests

Our team of more than 100 researchers examines firm and regulatory transparency from different angles. How does accounting and tax regulation impact firms and their transparency? And how does this affect stakeholders and society at large? We want our scientific insights to lead to meaningful and effective tax regulation and to improved rules for corporate reporting. We are pleased to invite international researchers to join us on this exciting journey. We welcome applications for both short- and long-term visitors, as well as nominations for our Mercator Fellowship.

Short-term visitors

A short-term visit is a great opportunity to network and exchange insights. During a two-week stay in Germany, you will visit two of our locations of your choice. You are expected to give a presentation about your research as part of our TRR 266 Seminar Series for staff and students at both locations.

To discuss opportunities, please contact one of our Principal Investigators.

Long-term visitors

As a long-term visitor, you can join us for several weeks or even months. This offers exciting opportunities to strengthen your network, exchange insights about your own research, learn from/about our research, strengthen mutually ongoing research on topics that relate to the TRR 266, and develop ideas for future research.

To discuss opportunities, please contact one of our Principal Investigators.

Mercator Fellowship

Our Mercator Fellowship is a funded position and is open to international researchers (postdocs and professors). Mercator Fellows need to be nominated; self-nomination is also possible. We particularly encourage nominations of female postdocs. We offer:

• a research stay for at least 4 months. Mercator Fellows are expected to remain in contact with the project network after their stay,

• a stay at one, but preferably two, of our participating institutions,

• both full-time and part-time positions,

• a budget to cover travel costs and more comprehensive support.

How to nominate a Mercator Fellow: Please send your nomination letter and CV, including a list of publications, of the nominated researcher to Annika Mehrmann ( In addition, we request a brief written proposal of the planned project, including the:

• TRR 266 collaboration partner(s),

• related TRR 266 project(s),

• research question(s),

• envisioned contribution to the TRR 266,

• preferred location(s), length of the stay, and timing.


About us

We are a trans-regional Collaborative Research Center funded by the German Research Foundation (Deutsche Forschungsgemeinschaft – DFG). For an overview of our research check our projects and publications. TRR 266‘s main locations are Paderborn University (coordinating university), HU Berlin, and University of Mannheim. All three locations have been centers for accounting and tax research for many years. They are joined by researchers from LMU Munich, Frankfurt School of Finance and Management, WHU – Otto Beisheim School of Management, Goethe University Frankfurt and University of Cologne who share the same research agenda. Our eight locations all warmly welcome international guests.

Travel costs for short- & long-term guests

All travel costs arising from your visit to one or more of our locations, as well as all accommodations, will be fully paid according to the University law., i.e., evidenced travel expenses for rail travel shall be reimbursed up to the price of a normal 2nd class ticket. Travel expenses for air travel shall be reimbursed up to a reasonable amount (economy only). We will cover your accommodation and local public transportation costs.

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