[1] Univ Lisbon, Inst Super Econ & Gestao ISEG, Rua Quelhas 6, P-1200781 Lisbon, Portugal
[2] Univ Lisbon, ISEG, Res Econ & Math REM, Lisbon, Portugal
[3] Univ Lisbon, ISEG, Res Unit Complex & Econ UECE, Lisbon, Portugal
[4] Univ Nova Lisboa, Econ Policy, Nova Sch Business & Econ, Carcavelos, Portugal
[5] IPAG Business Sch, Paris, France