1. University of Coimbra Institute for Legal Research (UCILeR), University of Coimbra, 3000-018 Coimbra, Portugal
2. Faculty of Economics, and Centre for Business and Economics Research (CeBER), University of Coimbra, 3004-531 Coimbra, Portugal
3. Faculty of Law, University of Coimbra Institute for Legal Research (UCILeR), University of Coimbra, Pátio da Universidade, 3004-528 Coimbra, Portugal
4. Department of Economics, Faculty of Economics and Administrative Sciences, Zonguldak Bülent Ecevit University, İncivez, 67100 Zonguldak, Turkey
5. Faculty of Law, University of Coimbra, Pátio da Universidade, 3004-528 Coimbra, Portugal