This work applies systems theory and tools to build a flexible framework for sustainable tourism in Portugal due to the …; (2) to develop a causal loop diagram that resumes the role of tourism stakeholders and (3) to identify policy directions … to enhance Portuguese tourism. Tourism recovery in the country will depend mainly on interlinked factors of economic …

order to adapt it to sustainable tourism decision making and solutions. These will bring us to the shift of perception in … thinking, important for tourism as a complex system, whose problems are softly defined and phenomena uncertain. Decision …-making in tourism is difficult, solutions are short termed. This is just a fact, which we can notice, when we use linear …

This study investigates the effect of coronavirus on tourism worldwide using data on confirmed cases of coronavirus by … relationship with tourism. In general, increasing cases of coronavirus would tend to reduce travel to tourist destinations. More … approaches, including quantile regressions and causality tests. The study showed that cases of coronavirus have a negative …