[1] Univ Birmingham, Birmingham Business Sch, Birmingham B15 2TT, W Midlands, England
[2] Univ Granada, Dept Management, Granada, Spain
[3] Univ West England, Dept Strategy, Bristol, Avon, England
[4] Univ Reading, Reading RG6 2AH, Berks, England
[5] Univ Jaume I Castellon, LEE, Plana, Spain
[6] Univ Jaume I Castellon, Dept Econ, Plana, Spain