Author Details

Mignani, Stefania, <p>Department of Statistical Sciences "Paolo Fortunati",</p><p>University of Bologna,</p><p>via delle Belle Arti n.41, Bologna. Italy.</p>, Italy



GRASPA 2019 is organised with the support of "Dipartimento di Economia",  University "G. d'Annnunzio", Chieti-Pescara