First Author:   Marcella D'Uva University of Naples "L'Orientale", Department of Social Sciences mduva@unior.it   L.go S. Giovanni Maggiore 30 Naples, 80134, Italy   0039 081 6909448(Phone) 0039 081 6909448(Fax) http://www.unior.it Second Author: Rita De Siano University of Naples "Parthenope", Department of Economic Studies rita.desiano@uniparthenope.it   Via Medina 40 Naples, 80133, Italy   0039 081 5474908(Phone)   http://www.uniparthenope.it