Results 181 to 190 of about 41,412 (327)

A Bivariate Markov Regime Switching GARCH Approach to Estimate Time Varying Minimum Variance Hedge Ratios [PDF]

This paper develops a new bivariate Markov regime switching BEKK-GARCH (RS-BEKK-GARCH) model. The model is a state-dependent bivariate BEKK- GARCH model, and an extension of Gray’s univariate generalized regime- switching (GRS) model to the bivariate ...
Hsiang-Tai Lee, Jonathan Yoder
core  

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

Interstage market spillovers of the photovoltaic industry chain in China. [PDF]

Sci Rep
Wang J, Li L, Shen T.
europepmc   +1 more source

Dynamic spillovers and portfolio implication between green cryptocurrencies and fossil fuels. [PDF]

PLoS One, 2023
Umar Z, Choi SY, Teplova T, Sokolova T.
europepmc   +1 more source

Steroidopathies and hormonal imbalance in children and adolescents with autism spectrum disorder

JCPP Advances, EarlyView.
Abstract Background Autism Spectrum Disorder (ASD) is a complex neurodevelopmental condition with a multifactorial etiology, many aspects of which remain unclear. Emerging evidence suggests a potential association between ASD and clinical manifestations resulting from hormonal imbalances, henceforth named “steroidopathies.” The present study aims to ...
Concetta de Giambattista, Patrizia Ventura, Samuele Cortese, Paolo Trerotoli, Alessandra Di Gioia, Lucia Margari   +5 more
wiley   +1 more source

Modeling farmer responses to reservoir operation policies using agent based analysis of risk behavior and irrigation adoption. [PDF]

Sci Rep
Ebrahimi E, Shourian M.
europepmc   +1 more source

Rebalancing Return and Hedge Effectiveness of Dynamic Portfolio Insurance Strategies: A simulation Based Study

, 2019
Frieder Meyer-Bullerdiek
openalex   +2 more sources

Optimal hedging in European electricity forward markets. [PDF]

This article is concerned with modeling the dynamic and distributional properties of daily spot and forward electricity prices across European wholesale markets. Prices for forward contracts are extracted from a unique database from a major energy trader
Le Pen, Yannick, Sévi, Yannick
core  

Sequelae of child maltreatment: Umbrella synthesis of 148 meta‐analyses on the mental health correlates

JCPP Advances, EarlyView.
Our umbrella synthesis found strong, often equivalent, associations between child maltreatment and all examined mental health difficulties. Different types of maltreatment appear to have comparably negative effects on mental health. If replicated, these findings may cause us to reconsider conventional wisdom that suggests some forms of CM are less ...
Barry Coughlan, Robbie Duschinsky, Marian J. Bakermans‐Kranenburg, Lianne Bakkum, Guy C. M. Skinner, Alfred Markham, Helen Beckwith, Marinus H. van Ijzendoorn   +7 more
wiley   +1 more source

On the hedge and safe-haven abilities of bitcoin and gold against blue economy and green finance assets during global crises: Evidence from the DCC, ADCC and GO-GARCH models. [PDF]

PLoS One
Manzli YS, Fakhfekh M, Béjaoui A, Alnafisah H, Jeribi A.   +4 more
europepmc   +1 more source