1. VALORIZA - Research Centre for Endogenous Resource Valorization, Portalegre, Portugal
2. Departamento das Ciências Económicas e das Organizações, Instituto Politécnico de Portalegre, Portugal
3. CEFAGE-UE, IIFA, Universidade de Évora, Évora, Portugal
4. Department of Economics, Administration and Sociology, University of São Paulo, Piracicaba, Brazil
5. Department of Management Sciences, Comsats University Islamabad, Islamabad, Pakistan