全部 |
  • 全部
  • 题名
  • 作者
  • 机构
  • 关键词
  • NSTL主题词
  • 摘要
检索 二次检索 AI检索
外文文献 中文文献
筛选条件:

1. International evidence on the financial performance of biodiversity investing NSTL国家科技图书文献中心

Francesco Paolo Appi... |  Mohammed Benlemlih... -  《Journal of Environmental Management》 - 2025,377(Mar.) - 124640.1~124640.13 - 共13页

摘要: performance of 10 biodiversity stock indices in contrast to |  have recently developed equity indices that track the |  their parent indices from 2022 to 2024. Our findings | The biodiversity depletion caused by human |  activities stands out prominently. Companies are urged to
关键词: Biodiversity |  Climate change |  Stock indices |  Financial performance |  Green finance

2. Are machine learning models effective in predicting emerging markets? Investigating the accuracy of predictions in emerging stock market indices NSTL国家科技图书文献中心

Namitha,Yeldho |  Dany,Thomas... -  《Quality & Quantity》 - 2025,59(1) - 839~904 - 共66页

摘要: market indices. We investigated the stock prediction | Abstract The Indian stock market is an | ) models using Python programming in the emerging stock |  market indices like NIFTY 50 and NIFTY 100. A recurrent |  employed to predict the stock price movements using data
关键词: Stock prediction |  Machine learning |  Deep learning |  Emerging market |  Bidirectional Long short-term memory |  BiLSTM

3. Assessing the Financial Impact of Natural Disasters on Global Stock Markets: Evidence from the Five Large Economies NSTL国家科技图书文献中心

Paravee Maneejuk |  Yanagorn Panyagad... -  《Integrated Uncertainty in Knowledge Modelling and Decision Making,Part II》 -  International Symposium on Integrated Uncertainty in Knowledge Modelling and Decision Making - 2025, - 234~242 - 共9页

摘要:, on the stock indices of the world's five large |  average decrease of 0.0745% in stock indices. In |  stock markets: the United States, China, Japan |  from 2004 to 2022 across major indices, including the |  significantly negatively affect stock markets, leading to an
关键词: Large stock markets |  Natural disasters |  Prais-Winsten regression |  Stock markets

4. Aboveground biomass estimation in a grassland ecosystem using Sentinel‑2 satellite imagery and machine learning algorithms NSTL国家科技图书文献中心

Andisani Netsianda |  Paidamwoyo Mhangara -  《Environmental Monitoring and Assessment》 - 2025,197(2) - 138.1~138.16 - 共16页

摘要: expands the carbon stock in terrestrial ecosystems |  between Sentinel-2-derived vegetation indices and | The grassland ecosystem forms a critical part |  of the natural ecosystem, covering up to 15-26% of |  the Earths land surface. Grassland significantly
关键词: Carbon stock |  Leaf area index |  Vegetation indices |  Carbon cycle |  Carbon sink

5. The dynamic connectedness between oil price shocks and emerging market economies stock markets: Evidence from new approaches NSTL国家科技图书文献中心

Tiwari A.K. |  Dam M.M.... -  《Energy economics》 - 2025,141(Jan.) - 1.1~1.31 - 共31页

摘要: stock market indices of Brazil, Argentina and Mexico |  correlation in all stock indices, especially in the weekly |  risk shocks that Ready (2018) developed and the stock |  considerable degree of dynamic connectedness among the stock |  stock markets of Brazil, Mexico, and Argentina have
关键词: Dynamic connectedness |  Emerging market economies |  Oil price shocks |  Spillover |  TVP-VAR |  Wavelet quantile correlation

6. Enhancing stock market predictions using hybrid machine learning approach with XGBOOST-LSTM and XGBOOST-GRU models NSTL国家科技图书文献中心

Manoranjan Dash |  Christo Aditya Bikra...... -  《International Journal of Applied Systemic Studies》 - 2025,12(1) - 73~87 - 共15页

摘要: the performance of stock indices remain a challenge | . Also, the stock market periodically faces some of the |  explore the hidden variations in stock index movements |  stock market forecast. It utilises XGBOOST to select | In the ever uncertain and volatile global
关键词: Deep learning |  DL |  COVID-19 |  Machine learning |  ML |  Hybrid model |  Stock market

7. The contagion effect of artificial intelligence across innovative industries: From blockchain and metaverse to cleantech and beyond NSTL国家科技图书文献中心

Naeem M.A. |  Arfaoui N.... -  《Technological forecasting and social change》 - 2025,210(Jan.) - 1.1~1.18 - 共18页

摘要:, 2023, encompassing 12 stock indices representing each | © 2024 The Author(s)Artificial Intelligence |  (AI) stands as a transformative force across |  business, technology, and science, yet its comprehensive |  impact on innovative industries remains relatively
关键词: Artificial intelligence |  CAViaR |  Cryptocurrency |  Metaverse |  TVP-VAR

8. Scaling laws of multi-scale coherence and multifractal analysis in the stock market NSTL国家科技图书文献中心

Li, Xuebo |  Hu, Xin... -  《International Journal of Modern Physics,C.Physics and Computers》 - 2025,36(1) - 共13页

摘要: suggest that stock market indices display behavior akin |  reveals the temporal shift between two indices |  across indices from various countries. Our findings | . Our results suggest that the fluctuations of indices | In this study, we utilize the coherence
关键词: Multi-scale coherence |  multifractal analysis |  stock market

9. Comparative analysis of distance measures in stock network construction and cluster analysis NSTL国家科技图书文献中心

Serkan Alkan -  《International journal of data mining,modelling and management》 - 2025,17(1) - 75~102 - 共28页

摘要: cluster analysis and stock network construction. This | -fitting indices for determining network adjacencies is |  stock networks are compared using the minimum spanning |  internal cluster validity indices and external indices | The mutual information (MI) metric and the
关键词: financial networks |  mutual information |  Pearson correlation |  regression models |  community detection

10. Early life-stage and adult productivity dynamics derived from a state-space stock assessment model for data-limited Thorny Skates (Amblyraja radiata Donovan, 1808) in NAFO Divisions 3LNO and Subdivision 3Ps NSTL国家科技图书文献中心

N.G. Cadigan |  R.W. Steele... -  《Fisheries Research》 - 2025,286 - 1~18 - 共18页

摘要: been directed fishing for this stock since the 1980's | . However, there is no stock assessment model to evaluate | -space stock assessment model which integrates length | -based survey indices and total fishery catch |  data limited stock so our assessment model makes
关键词: Catch-at-length model |  Elasmobranch assessment |  Data moderate |  Time-varying M |  Projections
检索条件Stock indices
  • 检索词扩展

NSTL主题词

  • NSTL学科导航