Acoustic Metamaterial Nanogenerator for Multi-Band Sound Insulation and Acoustic-Electric Conversion. [PDF]
Liang X, Yuan M.
europepmc +1 more source
A Deep Learning Framework for Forecasting Medium‐Term Covariance in Multiasset Portfolios
ABSTRACT Forecasting the covariance matrix of asset returns is central to portfolio construction, risk management, and asset pricing. However, most existing models struggle at medium‐term horizons, several weeks to months, where shifting market regimes and slower dynamics prevail.
Pedro Reis, Ana Paula Serra, João Gama
wiley +1 more source
Unveiling key descriptors <i>via</i> machine learning: toward rational molecular design of chromophores with excited-state intramolecular proton transfer. [PDF]
Wei S +7 more
europepmc +1 more source
Beyond the Bin: The Effect of Waste Reduction on Real Earnings Management
ABSTRACT We investigate the effect of waste management strategies on real earnings management. Using a sample of 6515 firm‐year observations from 22 countries spanning the 2011–2022 period, we show that companies that reduce their waste generation are less likely to engage in real earnings management, supporting the ethical theoretical perspective ...
Faten Lakhal +3 more
wiley +1 more source
The relationship between coping styles and career adaptability in telecommunications employees: chain mediation of anxiety and general self-efficacy. [PDF]
Pan Z +7 more
europepmc +1 more source
Diversifying Environmental, Social and Governance Portfolios: Evidence From China
ABSTRACT This study extends traditional portfolio optimization methods by incorporating Environmental, Social and Governance (ESG) performance measures into diversification strategies, specifically focusing on data from the Chinese stock market. By integrating ESG scores and their constituent components (E, S and G), the study examines portfolio ...
Danyang Li +3 more
wiley +1 more source
The association between emotional arousal and color lightness of facial digital expressions of social robots. [PDF]
Chengxing X, Ying F, Aonini R, Qiong W.
europepmc +1 more source
Temporary VAT Reduction in Vietnam: Consumer Behavior Analysis
ABSTRACT This study investigates the impact of temporary VAT rate changes on consumer behavior in Vietnam, particularly concerning the VAT reduction implemented during 2023–2024. The research analyzes annual survey data and household expenditure reports to assess changes in consumer spending on durable goods during the first half of 2024 (2024 H1 ...
Hang Thi Thu Trinh
wiley +1 more source
Difference in effects of open and closed motor skills on energy expenditure and after-burn effect in college student within physical classes. [PDF]
Sun X, Li K, Cao Y, Zhang T, Yuan F.
europepmc +1 more source
Realistic Representation, Dynamic Evolution and Determinants of Institutional Quality in China
ABSTRACT The paper delves into the role of institutional quality in bolstering China's economic resilience post‐COVID‐19, CITIC‐Entropy. It divides institutions into basic and changeable categories, establishing an index system via the CITIC‐Entropy TOPSIS model.
Susu Wang, Qidi Zhang, Jing Fang
wiley +1 more source

