[1] Univ Lisbon, Adv ISEG Res, Inst Super Econ & Gestao, Lisbon, Portugal
[2] Univ Evora, CEFAGE Res Ctr, Evora, Portugal
[3] Univ Padua, Dept Econ & Management, Padua, Italy
[4] Zhejiang Gongshang Univ, Sch Business Adm, Hangzhou, Peoples R China
[5] Qatar Univ, Finance & Econ, Doha, Qatar