1. FACECO (Faculdade de Economia) of the Eduardo Mondlane University , Maputo, Mozambique
2. ISEG - Lisbon School of Economics and Management, Universidade De Lisboa and UECE - Research Unit on Complexity and Economics . Lisbon, Portugal
3. ISEG - Lisbon School of Economics and Management, Universidade de Lisboa and REM (Research in Economics and Mathematics), CEMAPRE , Lisboa, Portugal