Results 11 to 20 of about 307 (133)

Evaluating the Efficiency of Financial Assets as Hedges against Bitcoin Risk during the COVID-19 Pandemic

open access: yesMathematics, 2023
In the turbulent landscape of financial markets, Bitcoin has emerged as a significant focus for investors due to its highly volatile returns. However, the risks and uncertainties associated with it necessitate effective hedging strategies.
Li Wei   +4 more
doaj   +1 more source

Which Commodity Sectors Effectively Hedge Emerging Eastern European Stock Markets? Evidence from MGARCH Models

open access: yesCommodities, 2023
This study aims at examining whether hedging emerging Eastern Europe stock markets with commodities sectors can help in reducing market risks and whether it has the same effectiveness among different sectors.
Amel Melki, Ahmed Ghorbel
doaj   +1 more source

Robust dispatching model of active distribution network considering PV time-varying spatial correlation

open access: yesFrontiers in Energy Research, 2023
With a high proportion of photovoltaic (PV) connected to the active distribution network (ADN), the correlation and uncertainty of the PV output will significantly affect the grid dispatching operation.
Xin Ma, Han Wu, Yue Yuan
doaj   +1 more source

The impact of world oil and food price shocks on the interdependence of Brazil and Russia: SVAR-DCC-GARCH model [PDF]

open access: yesBRICS Journal of Economics, 2021
This study seeks to identify the extent to which global oil and food price volatilities affected the interdependence of the Brazilian and Russian economies in the period from 1996 to 2021. The ARCH/GARCH framework was used to model the volatility of oil and food prices.
Bhebhe,Samkelisiwe, Ndlovu,Ian
openaire   +2 more sources

Dynamic relationships among green bonds, CO2 emissions, and oil prices

open access: yesFrontiers in Environmental Science, 2022
Green bonds play a pivotal role in the financing of sustainable infrastructure systems. Likewise, CO2 emissions and oil prices can cause an impact on the green bonds market.
Nini Johana Marín-Rodríguez   +2 more
doaj   +1 more source

Volatility impulse response analysis for DCC‐GARCH models: The role of volatility transmission mechanisms [PDF]

open access: yesJournal of Forecasting, 2020
AbstractThis study introduces volatility impulse response functions (VIRF) for dynamic conditional correlation–generalized autoregressive conditional heteroskedasticity (DCC‐GARCH) models. In addition, the implications with respect to network analysis—using the connectedness approach of Diebold and Y lmaz (Journal of Econometrics, 2014, 182(1), 119–134)
openaire   +3 more sources

A Tail Dependence-Based MST and Their Topological Indicators in Modeling Systemic Risk in the European Insurance Sector

open access: yesRisks, 2020
In the present work, we analyze the dynamics of indirect connections between insurance companies that result from market price channels. In our analysis, we assume that the stock quotations of insurance companies reflect market sentiments, which ...
Anna Denkowska, Stanisław Wanat
doaj   +1 more source

Investments in the Asian water sector: an analysis based on the DCC-GARCH model

open access: yesHumanities and Social Sciences Communications, 2022
AbstractThe availability of potable water is a challenging issue for many Asian countries where economies are still expanding and the population is growing. It is not difficult to observe that water scarcity will become far worse, sooner rather than later. In this study, we investigate the relationships among water indices in five Asian markets (namely
Rajibur Reza   +3 more
openaire   +3 more sources

Estimating Portfolio Value at Risk in the Electricity Markets Using an Entropy Optimized BEMD Approach

open access: yesEntropy, 2015
In this paper, we propose a new entropy-optimized bivariate empirical mode decomposition (BEMD)-based model for estimating portfolio value at risk (PVaR). It reveals and analyzes different components of the price fluctuation.
Yingchao Zou, Lean Yu, Kaijian He
doaj   +1 more source

DCC-GARCH Modeli Yardımıyla İslami Bankalar Arasındaki Etkileşimin Belirlenmesi

open access: yesGaziantep Üniversitesi Sosyal Bilimler Dergisi, 2023
Son yıllarda İslam ekonomilerindeki büyüme ve finansal sistemin gelişimiyle birlikte İslami bankaların finansal piyasalar üzerindeki etkileri artmıştır.
Semra Taspunar Altuntaş   +1 more
doaj   +1 more source

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