Defence date: 18 January 1991
Examining board: Prof. Marcello De Cecco, (supervisor, University of Rome "La Sapienza", external professor at the European University Institute), Prof. Salvatore Biasco (University of Rome "La Sapienza"), Prof. Jean-Paul Fitoussi (OFCE, Paris), Prof. Stuart Holland (European University Institute), Prof. David Vines (University of Glasgow)