[1] Rey Juan Carlos Univ, Madrid, Spain
[2] Rey Juan Carlos Univ, Dept Business Econ, Madrid, Spain
[3] Univ Paris 1 Pantheon Sorbonne, Dept EIREST, Paris, France
[4] Rey Juan Carlos Univ, Dept Business Adm ADO Appl Econ & Fundaments Econ, Madrid Campus, Madrid, Spain