1. Nova School of Business and EconomicsUniversidade Nova de Lisboa 1099‐032 Lisbon Portugal
2. UTS Business SchoolUniversity of Technology Sydney PO Box 123, Broadway, NSW 2007 Australia
3. Católica Porto Business SchoolUniversidade Católica Portuguesa R. de Diogo Botelho 1327, 4169‐005 Porto Portugal
4. Business Research UnitInstituto Universitário de Lisboa (ISCTE-IUL)