1. Department of Law and Economics, University Mediterranea of Reggio Calabria, Via dei Bianchi 2 (Palazzo Zani), 89127 Reggio Calabria, Italy
2. Department of Management, Polytechnic University of Marche, Piazza Martelli 8, 60121 Ancona, Italy
3. Department of PAU, University Mediterranea of Reggio Calabria, Via Melissari 24, 89124 Reggio Calabria, Italy