[1] Univ Barcelona UB, Dept Econometria Estadist & Econ Aplicada, Barcelona, Spain
[2] Univ Barcelona UB, Inst Recerca Econ Aplicada IREA, RISKctr, Barcelona, Spain
[3] Queens Univ Belfast, Queens Business Sch, Belfast, North Ireland
[4] Univ Concepcion, Dept Business Management, Concepcion, Chile
[5] Univ Barcelona, Sch Econ, Barcelona, Spain
[6] Open Univ Catalonia, Barcelona, Spain