Perles-Ribes, J. , Ramón-Rodríguez, A., Moreno-Izquierdo, L. and Such-Devesa, M. 2021. Competitiveness and overtourism: a proposal for an early warning system in Spanish urban destinations. European Journal of Tourism Research. 27, (Mar. 2021), 2707. DOI:https://doi.org/10.54055/ejtr.v27i.2137.