Results 51 to 60 of about 242,495 (316)
Corals and Reef‐Dwelling Fish Regulate Carbon Storage and Cycling Processes in Coral Reef Ecosystems
Advanced Science, EarlyView.Coral reefs are biodiversity hotspots, yet their role in carbon storage and cycling remains poorly understood. Using field surveys and modeling in the South China Sea, we reveal the overlooked potential of carbon storage in reef ecosystems and how reef fish, corals, and surface sediment jointly shape reef carbon reservoirs.
Yiting Chen +8 more
wiley +1 more source
HeliyonAt present, the trading volume of the stock market is huge, and the traditional method can not effectively find the relationship between the rise and fall of the stock market, but the machine learning method can find their interrelated data from a large ...
Luote Dai +3 more
doaj +1 more source
Mapping the “Supply–Demand–Flow” of Ecosystem Services for Ecosystem Management in China
Advanced Science, EarlyView.This study develops a “supply–demand–flow” framework clarifies how ecosystem services move between regions by distinguishing potential and actual supply and demand. Using integrated biophysical–socioeconomic modeling, nine services in China were mapped.
Yikun Zhang +3 more
wiley +1 more source
Sustainable Materials Design With Multi‐Modal Artificial Intelligence
Advanced Science, EarlyView.Critical mineral scarcity, high embodied carbon, and persistent pollution from materials processing intensify the need for sustainable materials design. This review frames the problem as multi‐objective optimization under heterogeneous, high‐dimensional evidence and highlights multi‐modal AI as an enabling pathway.
Tianyi Xu +8 more
wiley +1 more source
Stock recommendations and stock market effects
Sakarya Üniversitesi İşletme Enstitüsü Dergisi, 2020 The aim of this study is to detect whether investors can earn abnormal returns based on market makers’ recommendations in Borsa Istanbul. To test the existence of market maker effect, buy recommendations mentioned by Ak Investment Inc.
Hilal Hümeyra Özsu +2 more
doaj
Relationship Among Political Instability, Stock Market Returns and Stock Market Volatility
Studies in Business and Economics, 2017 This study investigated the relationship of political instability with the stock prices. Results of the study indicated the negative relationship of stock prices with political instability.
Irshad Hira
doaj +1 more source
Complexity, 2020 This paper studies the dependence structure and information spillover effect between the RMB exchange rate and the Chinese stock market based on the R-vine copula model and spillover index model.
Xiaofei Wu, Shuzhen Zhu, Suxue Wang
doaj +1 more source
Cryptocurrency and Stock Market: Complements or Substitutes?
Applied Finance Letters, 2020 Purpose/Relevance: The main goal of this study is to find whether the cryptocurrency market does significantly impact the stock market prices and returns.
Mina Sami
doaj +1 more source
Recessions and the stock market
Journal of Monetary Economics, 2018 Using an event-study type analysis of the price-dividend ratio around recessions, I examine the forces that drive the stock market down. First, point in time measured prices anticipate cash flows while time-aggregated prices drop contemporaneously. This finding speaks against the idea that the stock market anticipates future business conditions due to ...
openaire +1 more source
Advanced Science, EarlyView.A physics‐based framework resolving graphite phase‐separation dynamics establishes a predictive, degradation‐aware fast‐charging methodology for commercial Li‐ion batteries. The resulting model‐informed protocol achieves 20%–80% state‐of‐charge in 14 min while matching the long‐term degradation of a commercial 25‐minute EV strategy.
Marco Lagnoni +10 more
wiley +1 more source