Diploma, University Saarbrücken, Germany, 1967. Doctor in Economics, University Saarbrücken, 1970. Habilitation, University Saarbrücken, 1975.
Doctor of Philosophy (honoris causa), University Mannheim, 2006.
Research assistant University Saarbrücken, 1967-1970, assistant professor, 1972-1975. Visiting associate professor Pennsylvania State University, 1971. Professor finance University Giessen, Germany, 1975-1983.
Professor international finance University Konstanz, Germany, since 1983. Head Center of Financial and Econometrics, University Konstanz, since 1998, head research group, price, liquidity and credit risks.
Member European Finance Association (president 1978), German Finance Association (president 2001), American Finance Association, Berlin-Brandenburg Academy of Sciences.
Married Gudrun Allmann (deceased). Children: Christian, Cosima. Married Angela Brecher.