Defence date: 08 April 1991
Thesis first made available online in October 2012.
Examining board: Prof. Stefano Bartolini (Univ. Trieste/Geneva) ; Prof. Ian Budge (Univ. Essex, supervisor) ; Prof. Gøsta Esping-Andersen (EUI, co-supervisor) ; Prof. Diane Sainsbury (Univ. Stockholm) ; Prof. Adam Przeworski (Univ. Chicago)