[1] Univ Lisbon, ISEG Lisbon Sch Econ & Management, UECE, REM Res Econ & Math,UECE Res Unit Complex & Econ, Lisbon, Portugal
[2] Univ Lille, CNRS, UMR 9221, LEM, F-59000 Lille, France
[3] Univ Lisbon, Inst Super Econ & Gestao ISEG, Rua Quelhas 6, P-1200781 Lisbon, Portugal
[4] Univ Lisbon, ISEG, Res Econ & Math REM, Rua Miguel Lupi 20, P-1249078 Lisbon, Portugal
[5] Univ Lisbon, ISEG, Res Unit Complex & Econ UECE, Rua Miguel Lupi 20, P-1249078 Lisbon, Portugal
[6] Univ Nova Lisboa, Nova Sch Business & Econ, Econ Policy, Rua Holanda 1, P-2775405 Carcavelos, Portugal
[7] IPAG Business Sch, 184 Blvd St Germain, F-75006 Paris, France
[8] Cracow Univ Econ, Krakow, Poland