[1] Univ Jaen, Dept Business Org, Mkt & Sociol, Campus Las Lagunillas,S-N Bldg D3-215, Jaen 23071, Spain
[2] Univ Jaen, Dept Econ, Campus Las Lagunillas,S-N,Bldg D3-264, Jaen 23071, Spain
[3] Univ Jaen, Dept Econ, Campus Las Lagunillas,S-N,Bldg D3-273, Jaen 23071, Spain