Results 81 to 90 of about 7,709 (301)
VOLATILITY PERSISTENCE AND ASYMMETRIC SHOCKS IN THE NIGERIAN STOCK MARKET INDEX [PDF]
Analele Universităţii Constantin Brâncuşi din Târgu Jiu : Seria EconomieThis study examines the dynamic volatility of the Nigerian Stock Exchange All-Share Index (NGSEINDEX) daily log returns from October 28, 2015, to October 28, 2025, to provide a statistically sound basis for risk assessment in this critical emerging ...
AMAN SHREEVASTAVA +8 more
doaj
A new frontier for studying within-person variability: Bayesian multivariate generalized autoregressive conditional heteroskedasticity models. [PDF]
Psychol Methods, 2022 Rast P, Martin SR, Liu S, Williams DR.
europepmc +1 more source
Business Strategy and the Environment, EarlyView.ABSTRACT Although cross‐sector collaborations drive innovation, organizational policies as legitimation signals attracting such collaborations remain unexplored. This study examines the mediating role of environmental partnerships between organizational policies and environmental innovation.
Jose Nicolas Pacheco +3 more
wiley +1 more source
Bayesian Option Pricing Using Mixed Normal Heteroskedasticity Models [PDF]
While stochastic volatility models improve on the option pricing error when compared to the Black-Scholes-Merton model, mispricings remain. This paper uses mixed normal heteroskedasticity models to price options. Our model allows for significant negative
Jeroen V.K. Rombouts, Lars Stentoft
core +2 more sources
Target zones and conditional volatility: the role of realignments [PDF]
This paper examines the relationship between the conditional volatility of target zone exchange rates and realignments of the system. To investigate this question, modified jump diffusion Generalized Autoregressive Conditional Heteroskedasticity (GARCH ...
Christopher J. Neely
core
Business Strategy and the Environment, EarlyView.ABSTRACT This study examines the influence of female directors on circular business performance (CBP), incorporating the mediating role of environmental orientation and the moderating roles of institutional pressure and stakeholder engagement. Drawing on Behavioral Agency Theory and the Natural Resource Based View, we argue that board gender diversity ...
Wu Ning +3 more
wiley +1 more source
MathematicsThis paper develops a framework for quantifying risk by integrating analytical derivations of Value at Risk (VaR) and Conditional VaR (CVaR) under the chi-squared distribution with empirical modeling via Generalized Autoregressive Conditional ...
Fazlollah Soleymani, Qiang Ma, Tao Liu
doaj +1 more source
A Fast, Accurate Method for Value-at-Risk and Expected Shortfall
Econometrics, 2014 A fast method is developed for value-at-risk and expected shortfall prediction for univariate asset return time series exhibiting leptokurtosis, asymmetry and conditional heteroskedasticity.
Jochen Krause, Marc S. Paolella
doaj +1 more source
Business Strategy and the Environment, EarlyView.ABSTRACT Institutional investors increasingly rely on ESG ratings to evaluate financially material sustainability risks, while governments promote corporate alignment with the United Nations Sustainable Development Goals (SDGs). Because these frameworks differ substantially in capital market salience and monitoring intensity, board oversight may not ...
Mohamed Hegazy +2 more
wiley +1 more source
International Journal of Management and EconomicsThis study makes a comparative assessment of the relation between four waves of the COVID-19 pandemic and the stock market in Poland. We utilize the Autoregressive Moving Average-Asymmetric Dynamic Conditional Correlation-Generalized Autoregressive ...
Dzik-Walczak Aneta, Gaweł Anna
doaj +1 more source