[1
]Cass Business School; City, University of London; London U.K.
[2
]Université Toulouse-Capitole, CRM; Toulouse France
[3
]Université catholique de Louvain, Louvain-la-Neuve, Belgium and IESEG School of Management
(LEM CNRS - UMR 9221); Lille France
[4
]Aston Business School; Aston University; Birmingham U.K.