- Since 1970 Managing Editor of the international
economic review "Kyklos".
- 1988-96: President of the National Research Programme 25 "City
and Transport" of the Swiss National Science Foundation.
- 1990-93: President of the Swiss Society for Statistics and
Economics (Schweizerische Gesellschaft für Statistik und
- 2003-10: President of Senioren-Universität Basel
- 2004-07: President of Rat für Raumordnung (Federal Council
for Spatial Policy)
- 2004-07: President of Vereinigung Basler Ökonomen VBÖ
- 2009-2013: Member of the Board of Ziegler Papier AG, Grellingen/BL (2009-2011
- Member of several commissions of experts for the Swiss Federal
Government, several cantons, communes and international organisations
(OECD, EU, ECMT), as well as member of scientific boards (Novartis
Venture Fund, ARL, Prognos, BAK Basel Economics, B,S,S.), and
member of the board of several public institutions (among others:
Basiliensis, RegioTriRhena, Art Commission Basel).