1. Instituto Superior de Agronomia, University of Lisbon Tapada da Ajuda 1349‐017 Lisbon Portugal
2. Department of Economics, Sociology and Management (DESG), Centre for Transdisciplinary Development Studies (CETRAD)University of Trás‐os‐Montes e Alto Douro (UTAD) Quinta de Prados 5000‐801 Vila Real Portugal