Percorrer por autor "Seidi, Fadiba"
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- A sustentabilidade económico -financeira das empresas do setor do turismoPublication . Seidi, Fadiba; Cardim, Sofia; Fernandes, António B.O estudo analisa a sustentabilidade económico-financeira das empresas do setor do turismo em Portugal, identificando os fatores que determinam a sua rentabilidade e resiliência financeira. Com base em dados contabilísticos da base SABI, foram analisadas empresas das regiões NUTS II e dos setores CAE 55 (Alojamento) e CAE 56 (Restauração e Similares). A metodologia combinou análises descritivas e inferenciais (ANOVA, teste t de Welch, testes robustos de Levene e Brown-Forsythe e bootstrap), aplicadas a mais de 200 mil observações válidas. Os resultados indicam que a rentabilidade do ativo (ROA) depende fortemente do EBIT e da autonomia financeira, bem como de fatores estruturais e territoriais. As empresas de maior dimensão e as do setor de alojamento revelaram rentabilidade superior, refletindo maior eficiência operacional e estabilidade de receitas. As diferenças regionais foram significativas, com Algarve e Centro a destacarem-se positivamente face a Lisboa e Vale do Tejo e ao Norte, o que evidencia a influência da intensidade turística e das condições económicas locais. A forma jurídica também se revelou determinante: as sociedades anónimas (SA) apresentaram melhor desempenho, seguidas das sociedades por quotas e unipessoais. Conclui-se que a sustentabilidade económico-financeira das empresas turísticas resulta do equilíbrio entre eficiência operacional, estrutura de capital e contexto institucional. Os resultados contribuem para o avanço da literatura sobre finanças e turismo sustentável e oferecem subsídios úteis à formulação de políticas públicas e estratégias empresariais voltadas à competitividade, resiliência e crescimento sustentável do setor.
- Building resilient tourism systems: the strategic role of financial sustainability in portuguese tourism firmsPublication . Fernandes, António B. ; Ferreira, Jessica; Seidi, Fadiba; Cardim, SofiaThis study examines the economic and financial sustainability of Portuguese tourism firms operating within Division 55 (Accommodation) and Division 56 (Food and Beverage Service Activities), using Return on Assets (ROA) as the central indicator of economic and financial sustainability to assess variations over time, across firm sizes and among regions. Drawing on a dataset of 8,735 firms and 113,559 observations from 2011 to 2023, the analysis relies on ROA due to its analytical robustness and suitability for longitudinal and cross-sectional comparison. Given the absence of normality and homogeneity of variances, robust statistical techniques were applied, namely Welch’s ANOVA and the Games-Howell post hoc test with bootstrapping, to ensure reliable inference. The findings reveal significant differences in financial sustainability over the study period, between firms of different sizes and across regions. Small firms record higher average ROA than micro, medium or large firms, while the Algarve emerges as the highest-performing region and the Autonomous Region of the Azores presents the weakest results. The study is limited by its exclusive reliance on quantitative financial indicators, without incorporating qualitative dimensions that might enrich understanding of sustainability drivers, and by the constraints posed by data non-normality. The results emphasise the need for policy measures tailored to regional characteristics and highlight the pivotal role of small firms in resilience in the tourism sector. The study adds value by providing a rigorous, longitudinal and regionally differentiated analysis of financial sustainability within the Portuguese tourism industry.
- Tourism in transition: financial sustainability as a compass for resiliencePublication . Fernandes, António B. ; Ferreira, Jessica; Seidi, Fadiba; Cardim, SofiaPurpose: This study aims to analyse the economic and financial sustainability of companies in the tourism sector in Portugal, focusing on Divisions 55 - Accommodation and 56 - Food and Beverage Service Activities, based on the Return on Assets (ROA) indicator, to identify performance differences over time, by firm size and across regions. The methodological choice to use ROA is due to its robustness and the possibility of comparison in longitudinal and cross-sectional evaluations. Methodology: The analysis is based on a sample of 8,735 companies, corresponding to 113,559 observations between 2011 and 2023. The main variable used was Return on Assets (ROA). After checking for the absence of normality and homogeneity of variances, robust statistical methods were applied, namely Welch's ANOVA and the Games-Howell post hoc test using bootstrapping, in order to guarantee reliability in the inferences. Results: The results showed statistically significant differences in the economic and financial sustainability of companies over the years, between companies of different sizes and between regions. Small companies had a higher average ROA than micro, medium and large companies. Regionally, the Algarve stood out for its better performance, unlike the Autonomous Region of the Azores, which recorded the worst average ROA results. Research limitations: The analysis focused exclusively on quantitative financial performance indicators and did not include qualitative variables that could enrich the understanding of the factors that condition sustainability. Additionally, the lack of statistical normality and the heterogeneity of the sample limited the application of conventional parametric tests. Originality: The study contributes to the literature by offering a longitudinal and regional perspective on financial sustainability in the tourism sector in Portugal (Divisions 55 - Accommodation and 56 - Food and Beverage Service Activities), with a robust approach. It also emphasises the role of small businesses as vectors of resilience and the importance of defining public policies that are differentiated according to territorial context.