Defence date: 8 November 1991
Examining board: Prof. Dr. H.U. Jessurun d'Oliveira, EUI, supervisor ; Prof. Dr. M. Libertini, Università di Catania ; Prof. Dr. Eckhard Rehbinder, Universität Frankfurt / Main ; Prof. Dr. Henri Smets, OECD ; Prof. Dr. Gunther Teubner, EUI