General Coordinator of International Master in Economics & Complexity, University of Salerno, University of Barcelona, University of Roskilde, since 2000General Editor of Economics & Complexity, an Interdisciplinary and International Journal ", ISSN 1398-1706Referee for Wirn-Vietri 1999Referee for the International Joint Conference on Neural Networks (IJCNN) 2000Referee for Complexity International Professor of Public Finance, University of Salerno, Faculty of Economics, since 1997/98Professor of Public Finance, International Master in Economics & Complexity, University of Salerno, Faculty of Economics, since 2001Professor of Public Finance, University of Calabria, since 1980 to 1997; Lecturer of "Thought of Economics history ", University of Calabria, since 1989/90 to 1993/94; Lecturer of "Public Economics ", University of Calabria, since 1994/95 to 1996/97.Visiting Lecturer in Public Finance: Public choice and economics theories - Recent Approaches, University of Roskilde (March-April 1995) (DK), (February-May1996)Guest Lecturer in Public Finance and Transitions economies, University of Roskilde (DK) (april 1996 ).Visiting Lecturer in Public of Economics, University of Nizhni Novgorod (ex U.R.S.S.) since 1993 to 1997;Member of Italian Society of Public Economics- Siep; Member of Italian Society of Economics- SieMember of Italian Society of Neural Network SIREN (and past component of the directorate)Organiser of Special Section in Economics of the 11th Italian Workshop on Neural Nets Wirn-Vietri99.Scientific Co-ordinator of the High Level Scientific Conference, NEW, New Economic Windows: New Paradigms for the New Millenium, co-financed by European Community, 1999. Scientific Co-ordinator of the Conference"Complexity Theory in Public Economics: Economic, Financial and SocialAspects", Acquafredda di Maratea, September 1995.Scientific Co-ordinator of I, II and III Summer Schools in Economics and Complexity held in 1995, 1997 and 1999.