All Stories

  1. Literacy in Artificial Intelligence as a Challenge for Teaching in Higher Education: A Case Study at Portalegre Polytechnic University

    Article • Information, April 2024, MDPI AG

    Dr. Paulo Ferreira

  2. From wars to waves: geopolitical risks and environmental investment behaviour

    Article • Post-Communist Economies, March 2024, Taylor & Francis

    Dr. Paulo Ferreira

  3. Exploring the potential of the carbon credit program for hedging energy prices in Brazil

    Article • Environmental Science and Pollution Research, February 2024, Springer Science + Business Media

    Ph.D. Rafael Palazzi, Dr. Paulo Ferreira

  4. Navigating Choppy Waters: Interplay between Financial Stress and Commodity Market Indices

    Article • Fractal and Fractional, February 2024, MDPI AG

    Dr. Paulo Ferreira

  5. On the Dynamic Changes in the Global Stock Markets’ Network during the Russia–Ukraine War

    Article • Economies, February 2024, MDPI AG

    Dr. Paulo Ferreira

  6. When two banks fall, how do markets react?

    Article • Economics and Business Letters, December 2023, Universidad de Oviedo

    Dr. Paulo Ferreira

  7. Are clean energy markets efficient? A multifractal scaling and herding behavior analysis of clean and renewable energy markets before and during the COVID19 pandemic

    Article • Heliyon, December 2023, Elsevier

    Dr. Paulo Ferreira

  8. Comparison of multilayer perceptron neural network architecture in photovoltaic plants fault classification

    Article • Concilium, November 2023, Uniao Atlantica de Pesquisadores

    Dr. Paulo Ferreira

  9. An Alternative to FaaS Cold Start Latency of Low Request Frequency Applications

    Article • July 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Paulo Ferreira

  10. Interplay of multifractal dynamics between shadow policy rates and stock markets

    Article • Heliyon, July 2023, Elsevier

    Dr. Paulo Ferreira

  11. An investigation into the relationship between sugarcane and grain prices in Brazil: a fractional cointegration approach

    Article • Biofuels Bioproducts and Biorefining, June 2023, Wiley

    Dr. Paulo Ferreira

  12. Intellectual Capital and a Firm’s Sustainable Performance and Growth before and during the COVID-19 Crisis: A Comparative Analysis of Small and Large European Hospitality Firms

    Article • Sustainability, June 2023, MDPI AG

    Dr. Paulo Ferreira

  13. Impact of the COVID-19 Pandemic on Cryptocurrency Markets: A DCCA Analysis

    Article • FinTech, May 2023, MDPI AG

    Dr. Paulo Ferreira

  14. An Analysis of Dynamic Correlations among Oil, Natural Gas and Ethanol Markets: New Evidence from the Pre- and Post-COVID-19 Crisis

    Article • Energies, February 2023, MDPI AG

    Dr. Paulo Ferreira

  15. Economic Policy Uncertainty, Energy and Sustainable Cryptocurrencies: Investigating Dynamic Connectedness during the COVID-19 Pandemic

    Article • Economies, February 2023, MDPI AG

    Dr. Paulo Ferreira

  16. Islamic vs. Conventional Equity Markets: A Multifractal Cross-Correlation Analysis with Economic Policy Uncertainty

    Article • Economies, January 2023, MDPI AG

    Dr. Paulo Ferreira

  17. COVID-19 Effects on the Relationship between Cryptocurrencies: Can It Be Contagion? Insights from Econophysics Approaches

    Article • Entropy, January 2023, MDPI AG

    Dr. Paulo Ferreira

  18. THE NEXUS BETWEEN TWITTER-BASED UNCERTAINTY AND CRYPTOCURRENCIES: A MULTIFRACTAL ANALYSIS

    Article • Fractals, January 2023, World Scientific Pub Co Pte Lt

    Dr. Paulo Ferreira

  19. Analysis of the Impact of COVID-19 Pandemic on the Intraday Efficiency of Agricultural Futures Markets

    Article • Journal of Risk and Financial Management, December 2022, MDPI AG

    Dr. Paulo Ferreira

  20. Inland or Coastal: That’s the Question! Different Impacts of COVID-19 on the Tourism Sector in Portugal

    Article • Sustainability, December 2022, MDPI AG

    Dr. Paulo Ferreira

  21. The use of transfer entropy to analyse the comovements of European Union stock markets: a dynamical analysis in times of crises

    Article • Revista Galega de Economía, November 2022, Universidad de Santiago de Compostela

    Dr. Paulo Ferreira

  22. Uncertainty and Risk in the Cryptocurrency Market

    Article • Journal of Risk and Financial Management, November 2022, MDPI AG

    Dr. Paulo Ferreira

  23. Long-Term Correlations and Cross-Correlations in Meteorological Variables and Air Pollution in a Coastal Urban Region

    Article • Sustainability, November 2022, MDPI AG

    Dr. Paulo Ferreira

  24. Decision Support Using Machine Learning Indication for Financial Investment

    Article • Future Internet, October 2022, MDPI AG

    Dr. Paulo Ferreira

  25. Non-Fungible Tokens (NFTs) and Cryptocurrencies: Efficiency and Comovements

    Article • FinTech, October 2022, MDPI AG

    Dr. Paulo Ferreira

  26. A grey-based correlation with multi-scale analysis: S&P 500 VIX and individual VIXs of large US company stocks

    Article • Finance Research Letters, August 2022, Elsevier

    Dr. Paulo Ferreira

  27. A Giant Falls: The Impact of Evergrande on Asian Stock Indexes

    Article • Journal of Risk and Financial Management, July 2022, MDPI AG

    Dr. Paulo Ferreira

  28. Rare Earth Market, Electric Vehicles and Future Mobility Index: A Time-Frequency Analysis with Portfolio Implications

    Article • Risks, July 2022, MDPI AG

    Dr. Paulo Ferreira

  29. Relative Prices of Ethanol-Gasoline in the Major Brazilian Capitals: An Analysis to Support Public Policies

    Article • Energies, June 2022, MDPI AG

    Dr. Paulo Ferreira

  30. Application of Multifractal Analysis in Estimating the Reaction of Energy Markets to Geopolitical Acts and Threats

    Article • Sustainability, May 2022, MDPI AG

    Dr. Paulo Ferreira

  31. Cross-correlations between economic policy uncertainty and precious and industrial metals: A multifractal cross-correlation analysis

    Article • Resources Policy, March 2022, Elsevier

    Dr. Paulo Ferreira

  32. Temporal changes in global stock markets during COVID-19: an analysis of dynamic networks

    Article • China Finance Review International, February 2022, Emerald

    Dr. Paulo Ferreira

  33. Heterogeneity in economic relationships: Scale dependence through the multivariate fractal regression

    Article • Physica A Statistical Mechanics and its Applications, February 2022, Elsevier

    Dr. Paulo Ferreira

  34. Network dynamic and stability on European Union

    Article • Physica A Statistical Mechanics and its Applications, February 2022, Elsevier

    Dr. Paulo Ferreira

  35. Energy markets – Who are the influencers?

    Article • Energy, January 2022, Elsevier

    Dr Elie Bouri, Dr. Paulo Ferreira

  36. Is Brazilian music getting more predictable? A statistical physics approach for different music genres

    Article • Physica A Statistical Mechanics and its Applications, December 2021, Elsevier

    Dr. Paulo Ferreira

  37. A new vision about the influence of major stock markets in CEEC indices: a bidirectional dynamic analysis using transfer entropy

    Article • Post-Communist Economies, November 2021, Taylor & Francis

    Dr. Paulo Ferreira

  38. Carbon Emissions and Brazilian Ethanol Prices: Are They Correlated? An Econophysics Study

    Article • Sustainability, November 2021, MDPI AG

    Dr. Paulo Ferreira

  39. THE EFFICIENCY OF SIN STOCKS: A MULTIFRACTAL ANALYSIS OF DRUG INDICES

    Article • The Singapore Economic Review, November 2021, World Scientific Pub Co Pte Lt

    Dr. Paulo Ferreira

  40. Modeling Dynamic Multifractal Efficiency of US Electricity Market

    Article • Energies, September 2021, MDPI AG

    Dr. Paulo Ferreira

  41. Cross-Correlations in Meat Prices in Brazil: A Non-Linear Approach Using Different Time Scales

    Article • Economies, September 2021, MDPI AG

    Dr. Paulo Ferreira

  42. Herding behavior during the Covid-19 pandemic: a comparison between Asian and European stock markets based on intraday multifractality

    Article • Eurasian Economic Review, September 2021, Springer Science + Business Media

    Dr. Paulo Ferreira

  43. Green Paradox in Emerging Tourism Supply Chains: Achieving Green Consumption Behavior through Strategic Green Marketing Orientation, Brand Social Responsibility, and Green Image

    Article • International Journal of Environmental Research and Public Health, September 2021, MDPI AG

    Dr. Paulo Ferreira

  44. Assessing the Long-Term Impact of Traditional Agriculture and the Mid-Term Impact of Intensification in Face of Local Climatic Changes

    Article • Agriculture, August 2021, MDPI AG

    Dr. Paulo Ferreira

  45. Transfer Entropy Approach for Portfolio Optimization: An Empirical Approach for CESEE Markets

    Article • Journal of Risk and Financial Management, August 2021, MDPI AG

    Dr. Paulo Ferreira

  46. An Officious Impact of Financial Innovations and ICT on Economic Evolution in China: Revealing the Substantial Role of BRI

    Article • Sustainability, August 2021, MDPI AG

    Dr. Paulo Ferreira

  47. Investigating efficiency of frontier stock markets using multifractal detrended fluctuation analysis

    Article • International Journal of Emerging Markets, June 2021, Emerald

    Dr. Paulo Ferreira

  48. Are Mobility and COVID-19 Related? A Dynamic Analysis for Portuguese Districts

    Article • Entropy, June 2021, MDPI AG

    Dr. Paulo Ferreira

  49. A spatio-temporal analysis of dengue spread in a Brazilian dry climate region

    Article • Scientific Reports, June 2021, Springer Science + Business Media

    Dr. Paulo Ferreira

  50. Diesel prices in Brazil: A dynamic fractional integration analysis

    Article • Economics and Business Letters, May 2021, Universidad de Oviedo

    Dr. Paulo Ferreira

  51. An Experimental Evidence on Public Acceptance of Genetically Modified Food through Advertisement Framing on Health and Environmental Benefits, Objective Knowledge, and Risk Reduction

    Article • International Journal of Environmental Research and Public Health, May 2021, MDPI AG

    Dr. Syed Hassan Raza, Dr. Paulo Ferreira

  52. Relationship between US and B razilian ethanol prices: new evidence based on fractal regressions

    Article • Biofuels Bioproducts and Biorefining, February 2021, Wiley

    Dr. Paulo Ferreira

  53. Intraday Volatility Spillovers among European Financial Markets during COVID-19

    Article • International Journal of Financial Studies, January 2021, MDPI AG

    Dr. Paulo Ferreira

  54. The Effects of Government Bonds on Liquidity Risk and Bank Profitability in Cape Verde

    Article • International Journal of Financial Studies, January 2021, MDPI AG

    Dr. Paulo Ferreira

  55. Searching for a New Balance for the Eurozone Governance in the Aftermath of the Coronavirus Crisis

    Article • January 2021, Springer Science + Business Media

    Dr. Paulo Ferreira

  56. Network analysis of global stock markets at the beginning of the coronavirus disease (Covid-19) outbreak

    Article • Borsa Istanbul Review, December 2020, Elsevier

    Dr. Paulo Ferreira

  57. The footprints of COVID-19 on Central Eastern European stock markets: an intraday analysis

    Article • Post-Communist Economies, October 2020, Taylor & Francis

    Dr. Paulo Ferreira

  58. Uncovered interest rate parity through the lens of fractal methods: Evidence from the European Union

    Article • Physica A Statistical Mechanics and its Applications, September 2020, Elsevier

    Dr. Paulo Ferreira

  59. Evolution during Three Ripening Stages of Évora Cheese

    Article • Foods, August 2020, MDPI AG

    Rute Santos, Dr. Paulo Ferreira

  60. Impact of a remote sensor monitoring ripening chamber in energy and water expenditure.

    Article • Sustainability, August 2020, MDPI AG

    Rute Santos, Dr. Paulo Ferreira

  61. From Big Data to Econophysics and Its Use to Explain Complex Phenomena

    Article • Journal of Risk and Financial Management, July 2020, MDPI AG

    Dr. Paulo Ferreira

  62. Investigating Long-Range Dependence of Emerging Asian Stock Markets Using Multifractal Detrended Fluctuation Analysis

    Article • Symmetry, July 2020, MDPI AG

    Dr. Paulo Ferreira

  63. Evidence of Intraday Multifractality in European Stock Markets during the Recent Coronavirus (COVID-19) Outbreak

    Article • International Journal of Financial Studies, May 2020, MDPI AG

    Dr. Paulo Ferreira

  64. EU Stock Markets vs. Germany, UK and US: Analysis of Dynamic Comovements Using Time-Varying DCCA Correlation Coefficients

    Article • Journal of Risk and Financial Management, May 2020, MDPI AG

    Dr. Paulo Ferreira

  65. Assessing the Effectiveness of Precision Agriculture Management Systems in Mediterranean Small Farms

    Article • Sustainability, May 2020, MDPI AG

    Dr. Paulo Ferreira

  66. COVID-19 in Stock Markets: A Complexity Perspective

    Article • May 2020, MDPI AG

    Dr. Paulo Ferreira

  67. DCCA and DMCA correlations of cryptocurrency markets

    Article • Physica A Statistical Mechanics and its Applications, May 2020, Elsevier

    Dr. Paulo Ferreira

  68. The relationship between oil prices and the Brazilian stock market

    Article • Physica A Statistical Mechanics and its Applications, May 2020, Elsevier

    Dr. Paulo Ferreira

  69. Efficiency of the Brazilian Bitcoin: A DFA Approach

    Article • International Journal of Financial Studies, April 2020, MDPI AG

    Dr. Paulo Ferreira

  70. The Exposure of European Union Productive Sectors to Oil Price Changes

    Article • Sustainability, February 2020, MDPI AG

    Dr. Paulo Ferreira

  71. An Econophysics Study of the S&P Global Clean Energy Index

    Article • Sustainability, January 2020, MDPI AG

    Dr. Paulo Ferreira

  72. Regional and global integration of Asian stock markets

    Article • Research in International Business and Finance, December 2019, Elsevier

    Dr. Paulo Ferreira

  73. Dynamic cross-correlation and dynamic contagion of stock markets: a sliding windows approach with the DCCA correlation coefficient

    Article • Empirical Economics, November 2019, Springer Science + Business Media

    Dr. Paulo Ferreira

  74. Revisiting stock market integration in Central and Eastern European stock markets with a dynamic analysis

    Article • Post-Communist Economies, November 2019, Taylor & Francis

    Dr. Paulo Ferreira

  75. ρx,y between open-cl...

    Article • Physica A Statistical Mechanics and its Applications, November 2019, Elsevier

    Dr. Paulo Ferreira

  76. Policy in Brazil (2016–2019) threaten conservation of the Amazon rainforest

    Article • Environmental Science & Policy, October 2019, Elsevier

    Dr. Paulo Ferreira

  77. Building multi-scale portfolios and efficient market frontiers using fractal regressions

    Article • Physica A Statistical Mechanics and its Applications, October 2019, Elsevier

    Dr. Paulo Ferreira

  78. Long-Range Behaviour and Correlation in DFA and DCCA Analysis of Cryptocurrencies

    Article • International Journal of Financial Studies, September 2019, MDPI AG

    Dr. Paulo Ferreira

  79. Multiscale network for 20 stock markets using DCCA

    Article • Physica A Statistical Mechanics and its Applications, September 2019, Elsevier

    Dr. Paulo Ferreira

  80. Comparative Analysis between Hydrous Ethanol and Gasoline C Pricing in Brazilian Retail Market

    Article • Sustainability, August 2019, MDPI AG

    Dr. Paulo Ferreira

  81. Stock markets, Portfolio Management , Fractals

    Article • Post-Communist Economies, August 2019, Taylor & Francis

    Dr. Paulo Ferreira, TILFANI Oussama

  82. Using QCA to explain firm demography in the European Union

    Article • Journal of Business Research, August 2019, Elsevier

    Dr. Paulo Ferreira

  83. Energy consumption as a condition for per capita carbon dioxide emission growth: The results of a qualitative comparative analysis in the European Union

    Article • Renewable and Sustainable Energy Reviews, August 2019, Elsevier

    Dr. Paulo Ferreira

  84. City Brand: What Are the Main Conditions for Territorial Performance?

    Article • Sustainability, July 2019, MDPI AG

    Dr. Paulo Ferreira

  85. Contagion Effect in Cryptocurrency Market

    Article • Journal of Risk and Financial Management, July 2019, MDPI AG

    Dr. Paulo Ferreira

  86. Financial contagion analysis in frontier markets: Evidence from the US subprime and the Eurozone debt crises

    Article • Physica A Statistical Mechanics and its Applications, July 2019, Elsevier

    Dr. Paulo Ferreira

  87. An econophysics approach to study the effect of BREXIT referendum on European Union stock markets

    Article • Physica A Statistical Mechanics and its Applications, June 2019, Elsevier

    Dr. Paulo Ferreira

  88. Detrended correlation coefficients between oil and stock markets: The effect of the 2008 crisis

    Article • Physica A Statistical Mechanics and its Applications, March 2019, Elsevier

    Dr. Paulo Ferreira

  89. Contagion of the Subprime Financial Crisis on Frontier Stock Markets: A Copula Analysis

    Article • Economies, February 2019, MDPI AG

    Dr. Paulo Ferreira

  90. Detrended Correlation Coefficients Between Exchange Rate (in Dollars) and Stock Markets in the World’s Largest Economies

    Article • Economies, February 2019, MDPI AG

    Dr. Paulo Ferreira

  91. Assessing the relationship between dependence and volume in stock markets: A dynamic analysis

    Article • Physica A Statistical Mechanics and its Applications, February 2019, Elsevier

    Dr. Paulo Ferreira

  92. Are renewable energy stocks a possibility to diversify portfolios considering an environmentally friendly approach? The view of DCCA correlation coefficient

    Article • Physica A Statistical Mechanics and its Applications, December 2018, Elsevier

    Dr. Paulo Ferreira

  93. Cross-correlation analysis on Brazilian gasoline retail market

    Article • Physica A Statistical Mechanics and its Applications, October 2018, Elsevier

    Dr. Paulo Ferreira

  94. Long-range dependencies of Eastern European stock markets: A dynamic detrended analysis

    Article • Physica A Statistical Mechanics and its Applications, September 2018, Elsevier

    Dr. Paulo Ferreira

  95. Non-linear dependencies in African stock markets: Was subprime crisis an important factor?

    Article • Physica A Statistical Mechanics and its Applications, September 2018, Elsevier

    Dr. Paulo Ferreira

  96. Dynamic long-range dependences in the Swiss stock market

    Article • Empirical Economics, August 2018, Springer Science + Business Media

    Dr. Paulo Ferreira

  97. Frontier markets’ efficiency: mutual information and detrended fluctuation analyses

    Article • Journal of Economic Interaction and Coordination, August 2018, Springer Science + Business Media

    Dr. Paulo Ferreira

  98. What guides Central and Eastern European stock markets? A view from detrended methodologies

    Article • Post-Communist Economies, June 2018, Taylor & Francis

    Dr. Paulo Ferreira

  99. What detrended fluctuation analysis can tell us about NBA results

    Article • Physica A Statistical Mechanics and its Applications, June 2018, Elsevier

    Dr. Paulo Ferreira

  100. Capital asset pricing model in Portugal: Evidence from fractal regressions

    Article • Portuguese Economic Journal, April 2018, Springer Science + Business Media

    Dr. Paulo Ferreira

  101. A sliding windows approach to analyse the evolution of bank shares in the European Union

    Article • Physica A Statistical Mechanics and its Applications, January 2018, Elsevier

    Dr. Paulo Ferreira

  102. Efficiency or speculation? A time-varying analysis of European sovereign debt

    Article • Physica A Statistical Mechanics and its Applications, January 2018, Elsevier

    Dr. Paulo Ferreira

  103. Assessment of 48 Stock markets using adaptive multifractal approach

    Article • Physica A Statistical Mechanics and its Applications, November 2017, Elsevier

    Dr. Paulo Ferreira

  104. What is new about covered interest parity condition in the European Union? Evidence from fractal cross-correlation regressions

    Article • Physica A Statistical Mechanics and its Applications, November 2017, Elsevier

    Dr. Paulo Ferreira

  105. The Relation Between Entrepreneurial Behaviour and Entrepreneurship Rates Over Time: An Approach Using Qualitative Comparative Analysis

    Article • September 2017, Springer Science + Business Media

    Dr. Paulo Ferreira

  106. DCCA cross-correlation in blue-chips companies: A view of the 2008 financial crisis in the Eurozone

    Article • Physica A Statistical Mechanics and its Applications, August 2017, Elsevier

    Dr. Paulo Ferreira

  107. The behaviour of share returns of football clubs: An econophysics approach

    Article • Physica A Statistical Mechanics and its Applications, April 2017, Elsevier

    Dr. Paulo Ferreira

  108. Portuguese and Brazilian stock market integration: a non-linear and detrended approach

    Article • Portuguese Economic Journal, February 2017, Springer Science + Business Media

    Dr. Paulo Ferreira

  109. GDP convergence

    Article • Review of Economic Perspectives, December 2016, De Gruyter

    Dr. Paulo Ferreira

  110. Does the Euro crisis change the cross-correlation pattern between bank shares and national indexes?

    Article • Physica A Statistical Mechanics and its Applications, December 2016, Elsevier

    Dr. Paulo Ferreira

  111. What are the conditions for good innovation results? A fuzzy-set approach for European Union

    Article • Journal of Business Research, November 2016, Elsevier

    Dr. Paulo Ferreira

  112. How long is the memory of the US stock market?

    Article • Physica A Statistical Mechanics and its Applications, June 2016, Elsevier

    Dr. Paulo Ferreira

  113. Why does the Euro fail? The DCCA approach

    Article • Physica A Statistical Mechanics and its Applications, February 2016, Elsevier

    Dr. Paulo Ferreira

  114. Revisiting Covered Interest Parity in the European Union: the DCCA Approach

    Article • International Economic Journal, September 2015, Taylor & Francis

    Dr. Paulo Ferreira

  115. Revisiting serial dependence in the stock markets of the G7 countries, Portugal, Spain and Greece

    Article • Applied Financial Economics, January 2014, Taylor & Francis

    Dr. Paulo Ferreira

  116. An application of general maximum entropy to utility

    Article • International Journal of Applied Decision Sciences, January 2013, Inderscience Publishers

    Dr. Paulo Ferreira

  117. Electoral Results: Can Entropy be a Measure of the Population Dissatisfaction?

    Article • International Journal of Business and Management, February 2012, Canadian Center of Science and Education

    Dr. Paulo Ferreira

  118. Monetary Integration in the European Union

    Article • Journal of Emerging Market Finance, April 2011, SAGE Publications

    Dr. Paulo Ferreira

  119. Adopt the euro? The GME approach

    Article • Journal of Economic Interaction and Coordination, March 2010, Springer Science + Business Media

    Dr. Paulo Ferreira