Defence date: 13 February 1999Examining board: Prof. Carol Harlow (London School of Economics, London) ; Prof. Yves Mény (Robert Schuman Centre, EUI) (Supervisor) ; Prof. Silvana Sciarra (Department of Law, EUI)(Co-supervisor) ; Prof. Martin Shapiro (University of California, Berkeley)PDF of thesis uploaded from the Library digitised archive of EUI PhD theses completed between 2013 and 201