[1] Univ Delhi, Fac Commerce & Business, Delhi Sch Econ, Dept Commerce, New Delhi, India
[2] Delhi Technol Univ, Delhi Sch Management, Delhi, India
[3] Polytech Univ Marche, Dept Management, Ancona, Italy
[4] Natl Res Univ Higher Sch Econ, Inst Stat Studies & Econ Knowledge, Head Lab Econ Innovat, Moscow, Russia
[5] Pegaso Telematic Univ, Fac Econ & Law, Dept Econ & Management, Naples, Italy