期刊
ECONOMICS LETTERS
卷 208, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.econlet.2021.110068
关键词
Bitcoin; Green financial assets; Tail dependence; Copulas
类别
The study reveals that there are multiple tail dependence regimes characterizing the extreme dependence between Bitcoin and green financial assets, with the dependence structure being mainly asymmetric and time-varying. It also shows that green financial assets, especially clean energy, are effective hedges for Bitcoin.
The high power consumption of Bitcoin transactions has raised environmental and sustainable concerns of green investors and regulatory bodies. We utilize the time-varying optimal copula (TVOC) approach to showcase the dependence structure between bitcoin and green financial assets. We find multiple tail-dependence regimes characterize the extreme dependence between bitcoin and green financial assets, and the dependence structure is mainly asymmetric and time-varying. Finally, the hedging effectiveness of green financial assets for bitcoin revealed that all green assets, especially clean energy, are effective hedges for bitcoin. (C) 2021 The Author(s). Published by Elsevier B.V.
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