1. Visiting Assistant Professor, School of Business and Social Sciences, Universidade Europeia, Estrada da Correia, Lisbon, Portugal (corresponding author: )
2. Associate Professor, CERIS, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
3. Assistant Professor, Advance/CSG, ISEG – Lisbon School of Economics and Management, Universidade de Lisboa, Lisbon, Portugal