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The article presents the didactic potential of modern fractal theory and its financial applications related to modeling and forecasting of financial performance.
D. A. Vlasov +2 more
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Implementation of Digital Technologies into Pre-Service Mathematics Teacher Preparation
This paper presents a long-term study of Preservice Mathematics Teachers (PMTs) at the Faculty of mathematics, physics and informatics, Comenius University in Bratislava (FMFI UK), focusing on the implementation of digital technologies (DT) into the ...
Mária Slavíčková
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We empirically analyze the impact of economic uncertainty due to the COVID-19 pandemic on the trading volume of each sector in the S&P 500 index. Wavelet coherence analysis is carried out using economic policy uncertainty data and the trading volume of ...
Dohyun Pak, Sun-Yong Choi
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The primary aim of this article is to demonstrate that using the average of ratios as a representative value for measuring the health of a sector does not constitute a valid procedure.
Salvador Linares-Mustarós +3 more
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The goal of this article was to investigate how Chinese mathematics curriculum policies and textbook tasks could help explain the results obtained by Chinese students in the 2012 and 2015 Programme for International Student Assessment (PISA) financial ...
Alexandre Cavalcante, Huiyu Huang
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A General Framework for Portfolio Theory. Part II: Drawdown Risk Measures
The aim of this paper is to provide several examples of convex risk measures necessary for the application of the general framework for portfolio theory of Maier-Paape and Zhu (2018), presented in Part I of this series.
Stanislaus Maier-Paape, Qiji Jim Zhu
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In this paper, we have analyzed and tested the Expected Tail Loss (ETL) approach for the Value at Risk (VaR) on the Moroccan stock market portfolio. We have compared the results with the general approaches for the standard VaR, which has been the most ...
Marouane Airouss +3 more
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Short-Term Air Pollution Forecasting Using Embeddings in Neural Networks
Air quality is a highly relevant issue for any developed economy. The high incidence of pollution levels and their impact on human health has attracted the attention of the machine-learning scientific community.
Enislay Ramentol +3 more
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On Entropy-type Measures and Divergences with Applications in Engineering, Management and Applied Sciences [PDF]
In this work we review Entropy-type measures and Divergences, discuss their properties and unfold their diverse applicability. In addition, we compare distances between populations and distributions via weighted Entropy-type measures relying mainly on ...
C. Koukoumis, A. Karagrigoriou
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On the Relationship between Mathematical Theories and Financial Markets A Critical Review on the Book Lecturing Birds on Flying [PDF]
The financial crisis of 2007-2008 has been the subject of research in different ways. The role of quantitative models and mathematical theories in the occurrence of this crisis and the other complications that such models cause in financial markets is ...
Hojjatollah Sadeqi
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