[1] Univ Piemonte Orientale, Dept Econ & Business, Via Perrone 18, I-28100 Novara, Italy
[2] HERMES Inst, Florence, Italy
[3] CNR, IRCrES, Res Inst Sustainable Econ Growth, Rome, Italy
[4] Univ Jaen, Jaen, Spain
[5] Innovat & Entrepreneurship Business Sch, Barcelona, Spain