organized by
Christoph Engel and Urs Schweizer (from 2000)
Christian Kirchner and Rudolf Richter (1999)
Herbert Hax (1998)
Jürgen Eichberger (1997)
Ekkehart Schlicht and Timur Kuran (1996)
Erich Schanze (1995)
Eirik G. Furubotn and Rudolf Richter (1983 - 1994)