1. Department of Economics, Management, Industrial Engineering and Tourism, University of Aveiro, Aveiro, Portugal
2. Department of Economics, Management, Industrial Engineering and Tourism (DEGEIT), University of Aveiro, Aveiro, Portugal; Research Unit, University of Aveiro, Aveiro, Portugal
3. Department of Economics, Management, Industrial Engineering and Tourism (DEGEIT), University of Aveiro, Aveiro, Portugal; Institute of Electronics and Informatics Engineering of Aveiro (IEETA)/Governance, Competitiveness and Public Policies (GOVCOPP) Research Units, Aveiro, Portugal