Events

21.07.2026 - 21.07.2026

TAF Brown Bag Sem­in­ar: Mahdi Ra­hali

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News

06.07.2026

Fac­ulty Re­search Work­shop 2026 in Bad Arolsen

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06.07.2026

PwC-ar­qus Prize for a bach­el­or's thes­is awar­ded to Raphael Sahrhage

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22.06.2026

Mahdi Ra­hali: Par­ti­cip­a­tion Emer­ging Re­search­ers Con­sor­ti­um in Ac­count­ing (ERC) in Padua

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19.06.2026

Guest lec­ture by Flori­an Kirch­mann und Jo­nas Schneider (iron.)

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11.06.2026

Present­a­tion: Den­nis Böing: Dis­sem­in­a­tion of in­form­a­tion by small-cap com­pan­ies, EAA An­nu­al Con­gress, Prague

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21.05.2026

Mahdi Ra­hali: Par­ti­cip­a­tion 4ᵗʰ Mil­an PhD Eco­nom­ics Work­shop

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21.05.2026

Mahdi Ra­hali: Brown Bag Sem­in­ar Goethe Uni­ver­sity Frank­furt

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21.05.2026

Den­nis Böing: Brown Bag Sem­in­ar Uni­ver­sity of Man­nheim

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20.05.2026

Den­nis Böing: Par­ti­cip­a­tion at the BAFA An­nu­al Con­fer­ence, in­clud­ing PhD sem­inars

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Research

Our research focuses on economic consequences of (accounting) regulation, corporate debt markets, accounting in private companies, standard setting process and non-financial disclosure and its regulation.

Re­cent pub­lic­a­tions

2026

Steuern, Standort, Unternehmensstrategie – Wie wettbewerbsfähig sind Deutschlands Steuer-, Zoll- und Investitionspolitik?

Kaeser, C., Schanz, D., & Sureth-Sloane, C. (2026). Steuern, Standort, Unternehmensstrategie – Wie wettbewerbsfähig sind Deutschlands Steuer-, Zoll- und Investitionspolitik? Schmalenbach IMPULSE, 6(1–4). https://doi.org/10.54585/CLIM8326


Steuersicherheit als Standortfaktor: Planbarkeit statt Investitionshemmnis

Sureth, C. (2026). Steuersicherheit als Standortfaktor: Planbarkeit statt Investitionshemmnis. Betriebs-Berater, 81(29), I.


Navigating Transfer Pricing Complexity: Standardization, Cooperation, Transparency

Greil, S., Kaluza-Thiesen, E., Schulz, K. A., & Sureth-Sloane, C. (2026). Navigating Transfer Pricing Complexity: Standardization, Cooperation, Transparency. EJournal of Tax Research, 24(1), 1–37.


Preferences for Taxing Wealth and Income

Maiterth, R., Piper, Y., & Schneider, C. (2026). Preferences for Taxing Wealth and Income. https://doi.org/10.2139/ssrn.6832418


Determinants of Tax Complexity: Evidence from a Developing Country

Schipp, A., Siahaan, F., & Sureth-Sloane, C. (2026). Determinants of Tax Complexity: Evidence from a Developing Country. Intertax, 54(2), 102–122. http://dx.doi.org/10.2139/ssrn.4924632


Banks' tax disclosure, financial secrecy, and tax haven heterogeneity

Eberhartinger, E., Speitmann, R., & Sureth-Sloane, C. (2026). Banks’ tax disclosure, financial secrecy, and tax haven heterogeneity. Journal of International Accounting, Auditing and Taxation (JIAAT), 60. https://doi.org/10.1016/j.intaccaudtax.2026.100759


Steuerkomplexität: Wie lässt sie sich messen und welche Folgen hat sie?

Hoppe, T., Schanz, D., Sturm, S., & Sureth-Sloane, C. (2026). Steuerkomplexität: Wie lässt sie sich messen und welche Folgen hat sie? Schmalenbach IMPULSE, 6, 1–12. https://doi.org/10.54585/IEZK8936


Schocks durch Zölle und Steuern. Handelskonflikte und Abkommen werden zur zentralen Frage für Unternehmen. Wie bewältigen sie die neue Unsicherheit?

Kombert, S., & Sureth-Sloane, C. (2026). Schocks durch Zölle und Steuern. Handelskonflikte und Abkommen werden zur zentralen Frage für Unternehmen. Wie bewältigen sie die neue Unsicherheit? Frankfurter Allgemeine Zeitung, 51, 16, Sp. 1-4.


Liquidity Effects of a Wealth Tax on Residential Rental Real Estate

Maiterth, R., Piper, Y., & Sureth-Sloane, C. (2026). Liquidity Effects of a Wealth Tax on Residential Rental Real Estate. https://doi.org/10.2139/ssrn.6147767


2025

Abschreibungen als Mittel der Investitionsförderung in Deutschland - Möglichkeiten, Grenzen und Perspektiven evidenzbasierter Analysen

Dyck, D., Hechtner, F., Maiterth, R., & Sureth-Sloane, C. (2025). Abschreibungen als Mittel der Investitionsförderung in Deutschland - Möglichkeiten, Grenzen und Perspektiven evidenzbasierter Analysen. Steuer Und Wirtschaft, 102(Sonderheft NeSt), 26–44.


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Forschung & Net­zwerk

Pub­lic­a­tions

TRR 266 Ac­count­ing for Trans­par­ency

We are part of the supra-regional Collaborative Research Centre, which, with more than 100 dedicated researchers, investigates how accounting and taxation influence corporate transparency, and how regulations and corporate transparency affect the economy and society.

Gespräche zwischen Mitarbeitenden.

Data in Re­search and Teach­ing

A wide range of data sources is made available to students and staff at Paderborn University. These databases are used in both teaching and research.

TRR 266 Accounting for Transparency

TRR 266 Ac­count­ing for Trans­par­ency (DFG)

Teaching

The modules offered meet the increased importance of international accounting regulations in companies. The modules are adapted to the study progress and build on one another. In cooperation with representatives of the business community, modules in Accounting and Auditing are offered in the bachelor's and master’s degree. In addition, external partners give guest lectures in various other modules. In-depth courses in seminar form are designed to encourage students to work independently on scientific issues. By offering courses in English, we prepare students for challenges in their professional life. Moreover, we offer various opportunities to exchange students that decide to study at the Faculty of Business Administration and Economics.

If you would like to write your thesis with us, you should have very good knowledge of external accounting and an interest in empirical research in accounting.

Theses are assigned via a central, web-based registration procedure of the Faculty of Business and Economics. If you would like to write a thesis with Prof. Kosi and her team in the form of a Bachelor's or Master's thesis, you can find the relevant requirements as well as registration deadlines and registration forms here.

A letter of motivation is not required for your application.

 

A guideline for writing a thesis can be found here.

 

Bachelor

Further information can be found here.

A selection of potential topics can be found here.

 

Master

Further information can be found here.

A selection of potential topics can be found here.

Team

Prof. Dr. Urska Kosi

More about the person

Annette Steffens

More about the person

Dennis Böing, M.Sc.

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Mahdi Rahali, M.Sc.

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Raphael Sahrhage

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Ex­tern­al lec­tur­ers

Hendrik Koch, tax consultant and auditor, KPMG, Bielefeld

Former team mem­bers

  • Sabina Mazyar
  • Fabian Neumann
  • Mara Kerstein
  • Lara Quick
  • Nicolas Plante
  • Karen Elizabeth Olmedo Aragon
  • Louisa Frischmuth
  • Morteza Kashani
  • Bernard Naiborhu
  • Ina Jung
  • Lisa Diederich
  • Verena Graute
  • Stefan Sonntag
  • Luis Franke
  • Goldston Carlson Nya Wandja
  • Justus Ferdinand Balzer
  • Felix Prüßner
  • Jarno Bergmeier
  • Stefanie Hoischen
  • Theresa Ahlers
  • Fabian Peitz
  • Jan Pöttner
  • Jeannine Weiß
  • Delia Lohn
  • Christopher Herrmann
  • Aliana Görz
  • Anna-Lena Happe
  • Daniel Pohlmeyer
  • Zheng Wu
  • Gabriel Beres
  • Franziska von Hagen
  • Eva-Maria Hebbelmann
  • Evelyn Huhn
  • Jonas Ahrens
  • Jona Peters
  • Dinithi Sonali Reshalee Hewathudallage
  • Julia Skiba

Con­tact

business-card image

Annette Steffens

Betriebswirtschaftslehre, insb. Externes Rechnungswesen und Wirtschaftsprüfung

Write email +49 5251 60-2974