Results 181 to 190 of about 500,980 (292)

Revisiting EWMA in High‐Frequency‐Based Portfolio Optimization: A Comparative Assessment

Journal of Applied Econometrics, EarlyView.
ABSTRACT This paper compares the statistical and economic performance of state‐of‐the‐art high‐frequency (HF) based multivariate volatility models with a simpler, widely used alternative, the Exponentially Weighted Moving Average (EWMA) filter. Using over two decades of 100 U.S.
Laura Capera Romero, Anne Opschoor
wiley   +1 more source

AI driven web crawling for semantic extraction of news content from newspapers. [PDF]

Sci Rep
S S, A K AA.
europepmc   +1 more source

Half a Century of Per‐ and Polyfluoroalkyl Substances in Northern Gannet Eggs: Impact of Regulations

Journal of Applied Toxicology, EarlyView.
ABSTRACT Per‐ and polyfluoroalkyl substances (PFAS), known as “forever chemicals”, are persistent organic pollutants that have been widely used in the industry across the globe for many decades. Their chemical stability, bioaccumulation, and toxicity pose major environmental and health risks. This study examines temporal trends in the concentrations of
Anaïs Fournier, Anaïs Kerric, Raphaël A. Lavoie   +2 more
wiley   +1 more source

Pelagic Shuttles of Antibiotic Resistance Genes: Zooplankton as Overlooked Vectors Across Space and Food Webs. [PDF]

Microb Ecol
Calbet A.
europepmc   +1 more source

Failure to replicate effects of parent‐delivered early language intervention: Evidence from a randomised controlled trial with implications for universal language intervention

JCPP Advances, EarlyView.
Abstract Background Parent‐led, preschool language interventions may help to mitigate the risk of poor language and literacy outcomes associated with lower socioeconomic status. This study builds on two previous evaluations of a parent‐led early language teaching programme, which demonstrated mixed findings.
Kelly Burgoyne, Laura Boundy, Paivi Eerola, Qing Zhang, Jochen Einbeck, Helen Cramman, Vic Menzies   +6 more
wiley   +1 more source

A Perspective on Software Intelligence for Autonomous Transformations in Biomedical Data and Knowledge. [PDF]

Learn Health Syst
Navale V.
europepmc   +1 more source

When Does Top Management Team Diversity Matter in Large Organizations?

Journal of Organizational Behavior, EarlyView.
ABSTRACT Top management teams (TMTs) drive strategic leadership, but there is little clarity on when the composition of these upper echelons most impacts organization performance. Drawing from the categorization‐elaboration model, we study an 18‐year sample of approximately 4500 organizations and over 32 000 executives and find a positive relationship ...
Frances Fabian, James M. Plečnik, Shan Wang   +2 more
wiley   +1 more source

Assisted infant toilet training and the prevalence of functional gastrointestinal disorders up to the age of 9 months: a randomised, controlled trial. [PDF]

Arch Dis Child
Nilsson T, Leijon A, LoMartire R, De la Calle Dahlstedt S, Sillén U, Hellström AL, Skogman BH.   +6 more
europepmc   +1 more source

Ch‐Ch‐Ch‐Ch‐Changes: The Impact of Supply Base Growth, Contraction, and Turnover on Firm Innovation

Journal of Operations Management, EarlyView.
ABSTRACT Modern supply chains are experiencing more disturbances due to regulatory shifts, rising sustainability standards, emerging or declining markets, and disruption to critical inputs. Some firms react by strengthening existing supplier partnerships to resist changes, while others reconfigure relationships with suppliers to embrace changes ...
Jordan M. Barker, Ellie C. Falcone, Yang Sophie Yang‐Sun, Tingting Yan   +3 more
wiley   +1 more source

Occupational hazard exposures among archivists. [PDF]

Front Public Health
Dou M, Wang X, Li Y, Song J, Gong A.
europepmc   +1 more source