Martins, Oliva M. D.Nunes, AlcinaFerreira, Fernanda A.Veloso, Cláudia M.Santos, SóniaCorreia, Alexandra I.Fonseca, Manuel JoséSilva, GorettiRachão, SusanaVieira, Elvira PachecoCarrança, PauloFernandes, Paula Odete2025-01-072025-01-072021http://hdl.handle.net/10400.22/26997The Herfindahl-Hirschman Index (HHI) was used in order to understand the tourism competitiveness of the different sub-regions that make up the North Region of Portugal. This index is a measure which helps to analyse market concentration and at the same time determines the competitiveness of the market.engOutdoor tourismDigital toolsCompetitiveness of the territoriesNorth Region of PortugalHerfindahl-hirschman indexother