1. ISEG - Lisbon School of Economics and Management, Universidade de Lisboa and UECE - Research Unit on Complexity and Economics , Lisbon, Portugal
2. Banco Nacional de Angola , Luanda, Angola
3. ISCAL, Lisbon Accounting and Business School, Instituto Politécnico de Lisboa, SOCIUS - Research Centre in Economic and Organizational Sociology, CSG - Research in Social Sciences and Management , Lisbon, Portugal