Banking apprenticeship. Study of law and economics at Tübingen, Frankfurt am Main, at M.I.T. and Harvard University, (LL.M 1972).
Dr. iur 1974. Dr. rer. pol. 1977.
Research work in Japan.
Habilitation (postdoctoral lecturing qualification) 1982.
Tutor in Hannover, Berlin and Heidelberg. Assistant professor 1977-1983. Professor at Hannover since 1984.
Professor at the Humboldt University of Berlin since 1993.
Current research emphasis:
- Competition Law
- Corporation Law
- Accouting Law
- European Community Law
- Law and Economics
- New Institutional Economics