Forecasting stock market volatility with various geopolitical risks categories: New evidence from machine learning models

Z Niu, C Wang, H Zhang - International Review of Financial Analysis, 2023 - Elsevier
This paper investigates how geopolitical risks influence the prediction performance on the
US stock market volatility with machine learning models. Further, it compares the predictive …

Forecasting Value-at-Risk of Cryptocurrencies with RiskMetrics type models

W Liu, A Semeyutin, CKM Lau, G Gozgor - Research in International …, 2020 - Elsevier
Since the financial crisis, risk management has been of growing interest to investors and the
approach of Value-at-Risk has gained wide acceptance. Investing in Cryptocurrencies …

Correlation between geopolitical risk, economic policy uncertainty, and Bitcoin using partial and multiple wavelet coherence in P5+ 1 nations

S Singh, P Bansal, N Bhardwaj - Research in International Business and …, 2022 - Elsevier
This study analyses the time–frequency relationship between economic policy uncertainty
(EPU), geopolitical risk (GPR), and Bitcoin returns in China, France, Russia, the UK, the US …

[PDF][PDF] Can cryptocurrencies be a safe haven during the novel COVID-19 pandemic? Evidence from the Tunisian Stock Market

A Jeribi, YS Manzli - Journal of Research in Emerging …, 2021 - publications.ud.ac.ae
In this paper, we discuss the behavior of stock market returns in Tunisia during the COVID-
19 outbreak. Using the OLS regression, we find that Bitcoin act as a hedge and Ethereum as …

Forecasting Bitcoin volatility: The role of leverage effect and uncertainty

M Yu - Physica A: Statistical Mechanics and Its Applications, 2019 - Elsevier
In this study, we first investigate the impacts of leverage effect and economic policy
uncertainty (EPU) on one-step-ahead Bitcoin volatility using high-frequency data. We find …

Dynamic frequency relationships between bitcoin, oil, gold and economic policy uncertainty index

S Hazgui, S Sebai, W Mensi - Studies in Economics and Finance, 2022 - emerald.com
Purpose This paper aims to examine the frequency of co-movements and asymmetric
dependencies between bitcoin (BTC), gold, Brent crude oil and the US economic policy …

Digital currency and blockchain security in accelerating financial stability: A mediating role of credit supply

M Sadiq, AF Aysan, UN Kayani - Borsa Istanbul Review, 2023 - Elsevier
This study examines how blockchain and digital currency have affected the supply of credit
and financial stability. It pays particular attention to industry-based analyses and options …

Economic uncertainty and national bitcoin trading activity

J Wüstenfeld, T Geldner - The North American Journal of Economics and …, 2022 - Elsevier
This study analyzes the dynamics between bitcoin trading, price activities, and economic
surprise shocks from a broad and novel perspective on a national level. We start by …

[HTML][HTML] Connectedness between central bank digital currency index, financial stability and digital assets

T Bas, I Malki, S Sivaprasad - Journal of International Financial Markets …, 2024 - Elsevier
This study examines the interconnectedness between central bank digital currencie s
(CBDC) index, digital assets and financial stability. First, we use the CBDC index as a …

Time-Frequency nexus between bitcoin and developed stock markets in the Asia-Pacific

NT Hung - The Singapore Economic Review, 2024 - World Scientific
This study investigates the connectedness between Bitcoin prices and major stock indices in
the Asia-Pacific region from February 2012 to August 2019. Based on the wavelet transform …