Asymmetric effects of geopolitical risks on energy returns and volatility under different market conditions

Asymmetric effects of geopolitical risks on energy returns and volatility under different market conditions
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不同市场条件下地缘政治风险对能源回报和波动性的不对称影响

DOI:
10.1016/j.eneco.2020.104851
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发表时间:
2020-08
期刊:
影响因子:
12.8
通讯作者:
Zitao Zhang
Zitao Zhang
中科院分区:
经济学2区
文献类型:
--
作者:
Yun Qin;Kairong Hong;Jinyu Chen;Zitao Zhang

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基于1990年6月28日至2018年10月31日的每日数据,我们使用分位数回归模型研究了不同市场条件下地缘政治风险对能源(原油,天然气和取暖油)收益率和波动性的非对称影响。结果表明,地缘政治风险对原油收益率在熊市中有显著的负向影响,对取暖油收益率在正常和看涨市场中有显著的负向影响,但对天然气收益率没有显著影响。同时,地缘政治风险在不同市场条件下对原油波动的影响均显著为正,对天然气和取暖油波动的影响主要为负,但不显著。此外,我们进一步将地缘政治风险分为地缘政治威胁和地缘政治行为,发现地缘政治威胁和地缘政治行为对能源收益率和波动性具有异质性影响。
Based on daily data from 28 June 1990 to 31 October 2018, we investigate the asymmetric effects of geopolitical risks on energy (crude oil, gas and heating oil) returns and volatility under different market conditions by using a quantile regression model. The results show that geopolitical risks have significantly negative effects on crude oil returns in the bearish market and on heating oil returns in the normal and bullish markets but have no effects on gas returns. Meanwhile, the impacts of geopolitical risks on crude oil volatility are significantly positive in different market conditions, and the impacts on gas and heating oil volatility are mainly negative but not significant. In addition, we further divide geopolitical risks into geopolitical threats and geopolitical acts and find that geopolitical threats and acts have heterogeneous effects on energy returns and volatility.
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