Paula Heliodoro
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Indirect taxation on VAT consumption. A possible study of alternative tax rate models in Portugal
Ricardo de Moraes e Soares, Pedro Pinheiro
, Paula Heliodoro
doi: http://dx.doi.org/10.21511/imfi.20(4).2023.14
Investment Management and Financial Innovations Volume 20, 2023 Issue #4 pp. 156-170
Views: 856 Downloads: 380 TO CITE АНОТАЦІЯThe adoption of a single VAT rate system in the EU is a complex and controversial issue, since the current model includes several differentiated rates and is intended to reflect sectoral needs and ensure greater fairness in the taxation of consumption. This study aims to analyse which of the general consumption tax models (differentiated rates or a single rate) is more efficient in terms of revenue collection. The study uses official statistics available on the official website of the Tax and Customs Authority for the period 1996–2022. VAT revenue is measured by applying the formula of the EU’s common VAT model with the necessary adaptations to the flat rate model. Quantitative methods are applied to verify which of the tax models is more efficient in terms of collection. For this purpose, two scenarios were defined (17% and 21%). The results suggest that the estimated revenues for the proposed flat rate models are higher than the amounts actually collected through the differentiated rates. They also suggest that the 21% flat rate is preferable to the 17% rate, although the latter has the capacity to maintain current revenue levels and increase the amount collected compared to the current system. The conclusions suggest that the single VAT rate model is technically more preferable and notably more efficient than the current common consumption tax model adopted by the European Union. The study concludes that the refusal to adopt the single-rate model is not due to technical reasons but to political ones.
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Impact of research and development expenses on the profitability of assets: The case of textile and clothing industry in Portugal
Ricardo de Moraes e Soares, Alexandre Morais Nunes
, Paula Heliodoro
, Vanda Martins
doi: http://dx.doi.org/10.21511/ppm.22(1).2024.55
Problems and Perspectives in Management Volume 22, 2024 Issue #1 pp. 702-715
Views: 1130 Downloads: 510 TO CITE АНОТАЦІЯThe study aims to examine the financial efficiency of the textile and clothing industries in Portugal using official statistical data. The main objective is to assess the relationship between spending on research and development and return on assets. The study analyzes the performance of various subsectors of the textile and clothing industries, presenting the relationship between investments in research and development and the operating return on assets over various economic periods. The study adopted data envelopment analysis, classifying decision-making units based on average efficiency levels. The results highlight sectors of manufacture of textiles for technical and industrial use, manufacture of other textiles, production of outerwear, and manufacture of workwear as the most efficient. In contrast, sectors of manufacture of clothing and accessories, manufacture of knitwear, and leather clothing show lower levels of efficiency. From 2003 to 2022, the textile industry exhibited the highest levels of financial efficiency, with an above-average ratio between spending on research and development and return on assets. However, sectors of knitwear manufacturing and textile finishing have maintained a more or less constant level of financial efficiency. The analysis highlights the need for targeted interventions to increase the financial efficiency of different subsectors within the textile and clothing industries. It is evident that there are varying levels of financial efficiency across these sectors, and the need for benchmarking periods can help identify areas for improvement and set achievable goals.
Acknowledgment
This article is financed by Instituto Politécnico de Setúbal [Polytechnic Institute of Setúbal]. -
Comprehensive quantitative evaluation of municipal budget allocation efficiency: The Portuguese case
Ricardo de Moraes e Soares, Alexandre Morais Nunes
, Paula Heliodoro
, Ana Catarina Kaizeler
, Vanda Martins
doi: http://dx.doi.org/10.21511/pmf.14(3).2025.05
Public and Municipal Finance Volume 14, 2025 Issue #3 pp. 59-73
Views: 79 Downloads: 15 TO CITE АНОТАЦІЯType of the article: Research Article
Abstract
The study provides a comprehensive quantitative evaluation of municipal budget allocation efficiency in Portugal over the period 2018–2022, based on a comparative and longitudinal analysis of financial data from 308 municipalities. Efficiency was assessed by examining the alignment between budget forecasts and actual financial execution. The results show that 77.6% of municipalities (n = 239) were classified as efficient in 2018, increasing to 82.1% (n = 253) in 2019 and 83.1% (n = 256) in 2020. However, a downward trend followed, with efficiency declining to 74.0% (n = 228) in 2021 and 73.7% (n = 227) in 2022. Over the five-year period, the average efficiency rate across all municipalities was 78.1%. In contrast, 21.9% of municipalities on average (ranging from 16.9% to 26.3%) consistently demonstrated inefficiencies in budget preparation and execution. The study identifies key contributing factors to inefficiency, including political interference, reliance on incremental budgeting approaches, and limited technical forecasting capacity. The data reveal persistent discrepancies between budgeted allocations and actual service demand, leading to resource misallocation and reduced fiscal credibility. Statistical patterns also indicate that municipalities with higher population densities and more diversified revenue sources tended to perform better in efficiency metrics. The findings support the conclusion that the adoption of rigorous, data-driven forecasting methodologies significantly improves financial planning outcomes and institutional trust. These results offer evidence-based recommendations for refining municipal financial management practices, particularly in settings subject to political and economic volatility.Acknowledgment
This article is financed by Instituto Politécnico de Setúbal [Polytechnic Institute of Setúbal].
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