Refined measures of dynamic connectedness based on time-varying parameter vector autoregressions

N Antonakakis, I Chatziantoniou… - Journal of Risk and …, 2020 - mdpi.com
In this study, we enhance the dynamic connectedness measures originally introduced by
Diebold and Yılmaz (2012, 2014) with a time-varying parameter vector autoregressive …

[HTML][HTML] Risk transmissions between bitcoin and traditional financial assets during the COVID-19 era: The role of global uncertainties

AH Elsayed, G Gozgor, CKM Lau - International Review of Financial …, 2022 - Elsevier
This paper examines return and volatility connectedness between Bitcoin, traditional
financial assets (Crude Oil, Gold, Stocks, Bonds, and the United States Dollar-USD), and …

Crude Oil futures contracts and commodity markets: New evidence from a TVP-VAR extended joint connectedness approach

M Balcilar, D Gabauer, Z Umar - Resources Policy, 2021 - Elsevier
This study introduces a novel time-varying parameter vector autoregression (TVP-VAR)
based extended joint connectedness approach in order to characterize connectedness of 11 …

Dynamic connectedness between stock markets in the presence of the COVID-19 pandemic: does economic policy uncertainty matter?

M Youssef, K Mokni, AN Ajmi - Financial Innovation, 2021 - Springer
This study investigates the dynamic connectedness between stock indices and the effect of
economic policy uncertainty (EPU) in eight countries where COVID-19 was most widespread …

The economic value of NFT: Evidence from a portfolio analysis using mean–variance framework

H Ko, B Son, Y Lee, H Jang, J Lee - Finance Research Letters, 2022 - Elsevier
We investigate whether the inclusion of NFTs in portfolio investing in traditional assets
provides a significant diversification benefit for constructing a well-diversified portfolio. We …

[HTML][HTML] Volatility and return connectedness of cryptocurrency, gold, and uncertainty: Evidence from the cryptocurrency uncertainty indices

AH Elsayed, G Gozgor, L Yarovaya - Finance Research Letters, 2022 - Elsevier
This paper examines the dynamic connectedness of return-and volatility spillovers among
cryptocurrency index (CRIX), Gold, and uncertainty measures. Apart from traditional …

[HTML][HTML] The impact of COVID-19-related media coverage on the return and volatility connectedness of cryptocurrencies and fiat currencies

Z Umar, F Jareño, M de la O González - Technological Forecasting and …, 2021 - Elsevier
This research explores the impact of COVID-19-related media coverage on the dynamic
return and volatility connectedness of the three dominant cryptocurrencies (Bitcoin (BTC) …

Does COVID-19 open a Pandora's box of changing the connectedness in energy commodities?

B Lin, T Su - Research in International Business and Finance, 2021 - Elsevier
With the rapid spread of coronavirus, the global financial markets have been undergoing
tremendous changes, which bring investors more risks in the short term. Against such …

[HTML][HTML] The dynamic volatility nexus of FinTech, innovative technology communication, and cryptocurrency indices during the crises period

M Shaik, MR Rabbani, YT Nasef, UN Kayani… - Journal of Open …, 2023 - Elsevier
In this study, we investigate the dynamic volatility connectedness of FinTech, innovative
technology communication, and cryptocurrency indices for the period from June 2018 to …

Agricultural commodity markets and oil prices: An analysis of the dynamic return and volatility connectedness

Z Umar, F Jareño, A Escribano - Resources Policy, 2021 - Elsevier
We investigate the joint and bivariate return and volatility interdependence between various
agricultural commodities and oil price shocks. As an alternative of the Diebold and Yilmaz …