1. Institut de Gestion de Rennes, IGR-IAE Université de Rennes,
11 rue Jean Macé, 35000 Rennes, France; Researcher CNRS CREM
Centre for Research in Economics and Management
2. Faculty of Management and Organization, University of Groningen, PO Box
800, 9700 AV Groningen, the Netherlands
3. University of Newcastle Business School, 5th floor Ridley Building,
Claremont Road, Newcastle NE1 7RU