Guglielmo D'Amico Author

Guglielmo D'Amico, "G. d'Annunzio" University of Chieti-Pescara, Italy.

Giuseppe Di Biase, "G. d'Annunzio" University of Chieti-Pescara, Italy.

Jacques Janssen, Solvay Brussels School of Economics and Management, Belgium.

Raimondo Manca, University of Rome "La Sapienza", Italy.