Affiliation: | a Instituto Superior de Economia e Gestão, UECE (Research Unit on Complexity and Economics), Technical University of Lisbon, Rua Miguel Lupi, 20, 1249-078 Lisbon, Portugal b Graduate School of Environmental Studies, Tohoku University, 6-6-20 Aramaki-Aza Aoba, Aoba-Ku, Sendai 980-8579, Japan c Centre for EMEA Banking, Finance and Economics, London Metropolitan Business School, London Metropolitan University, 84 Moorgate, EC2M 6SQ London, UK |