Machine Learning, Statistics and Big Data, 2nd Edition

A special issue of Mathematics (ISSN 2227-7390). This special issue belongs to the section "D1: Probability and Statistics".

Deadline for manuscript submissions: 20 February 2026 | Viewed by 811

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Department of Statistics-Forecasts-Mathematics, Faculty of Economics and Business Administration & the Interdisciplinary Centre for Data Science, Babeș-Bolyai University, Cluj, Romania
Interests: spatial econometrics; economic forecasting; econometrics; statistics
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Special Issue Information

Dear Colleagues, 

Intense technological progress has led to a significant increase in data production and the importance of evaluating these data. Algorithms have been constructed in order to analyze and predict data for decision-making purposes. Classical econometrics are increasingly being compared to or even replaced by machine learning methods for data analysis. Special analytical procedures are being developed for big data situations, which can be found in all fields of human activity, from finance to transportation. As the goal of the European Commission is to sustain innovations in machine learning and artificial intelligence techniques in different sectors, the main goal of this Special Issue is to gather researchers in the fields of statistics, econometrics, machine learning, and big data. Contributions in the form of different types of theoretical developments, procedure constructions, or applications of such methods are welcome. FinTech and artificial intelligence methods applied in finance are encouraged.

This Special Issue is supported by and developed under the auspices of the COST CA 19130 "Fintech and Artificial Intelligence in Finance", supported by COST (European Cooperation in Science and Technology); www.cost.euhttps://fin-ai.eu/, and the Marie Skłodowska-Curie Actions under the European Union's Horizon Europe research and innovation program for the Industrial Doctoral Network on Digital Finance, acronym: DIGITAL, Project No. 101119635, https://www.digital-finance-msca.com/.

Dr. Codruta Mare
Guest Editor

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Keywords

  • statistics
  • econometrics
  • machine learning
  • big data
  • financial econometrics
  • spatial econometrics
  • spatial machine learning
  • sentiment analysis
  • FinTech
  • digital finance
  • artificial intelligence
  • supervised vs. unsupervised learning
  • forecasting methods
  • IoT
  • cloud
  • blockchain
  • architecture for big data
  • big data analytics
  • data mining
  • cyberspace

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Published Papers (1 paper)

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Research

31 pages, 2653 KB  
Article
A Machine Learning and Econometric Framework for Credibility-Aware AI Adoption Measurement and Macroeconomic Impact Assessment in the Energy Sector
by Adriana AnaMaria Davidescu, Marina-Diana Agafiței, Mihai Gheorghe and Vasile Alecsandru Strat
Mathematics 2025, 13(19), 3075; https://doi.org/10.3390/math13193075 - 24 Sep 2025
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Abstract
Artificial intelligence (AI) adoption in strategic sectors such as energy is often framed in optimistic narratives, yet its actual economic contribution remains under-quantified. This study proposes a novel, multi-stage methodology at the intersection of machine learning, statistics, and big data analytics to bridge [...] Read more.
Artificial intelligence (AI) adoption in strategic sectors such as energy is often framed in optimistic narratives, yet its actual economic contribution remains under-quantified. This study proposes a novel, multi-stage methodology at the intersection of machine learning, statistics, and big data analytics to bridge this gap. First, we construct a media-derived AI Adoption Score using natural language processing (NLP) techniques, including dictionary-based keyword extraction, sentiment analysis, and zero-shot classification, applied to a large corpus of firm-related news and scientific publications. To enhance reliability, we introduce a Misinformation Bias Score (MBS)—developed via zero-shot classification and named entity recognition—to penalise speculative or biased reporting, yielding a credibility-adjusted adoption metric. Using these scores, we classify firms and apply a Fixed Effects Difference-in-Differences (FE DiD) econometric model to estimate the causal effect of AI adoption on turnover. Finally, we scale firm-level results to the macroeconomic level via a Leontief Input–Output model, quantifying direct, indirect, and induced contributions to GDP and employment. Results show that AI adoption in Romania’s energy sector accounts for up to 42.8% of adopter turnover, contributing 3.54% to national GDP in 2023 and yielding a net employment gain of over 65,000 jobs, despite direct labour displacement. By integrating machine learning-based text analytics, statistical causal inference, and big data-driven macroeconomic modelling, this study delivers a replicable framework for measuring credible AI adoption and its economy-wide impacts, offering valuable insights for policymakers and researchers in digital transformation, energy economics, and sustainable development. Full article
(This article belongs to the Special Issue Machine Learning, Statistics and Big Data, 2nd Edition)
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