2022
DOI: 10.1016/j.eneco.2022.106252
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Energy security: Does systemic risk spillover matter? Evidence from China

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Cited by 27 publications
(3 citation statements)
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“…Several research works exploring systemic risk among gas and electricity systems also affirmed our findings, such as the spillover effect from gas to electricity being stronger than the spillover effect from electricity to gas, 42 and an adverse event in the gas sector having a higher impact on the overall energy sector compared with an adverse event in the electric sector. 43 The simulation study suggests that promoting electricity-gas cooperations could potentially establish a more symmetrical influence between gas prices and electricity prices. During a gas price spike, the local gas price could be determined by the cost of power units and the cost of PtG, provided that there is sufficient renewable generation and reasonable PtG costs.…”
Section: Discussionmentioning
confidence: 96%
“…Several research works exploring systemic risk among gas and electricity systems also affirmed our findings, such as the spillover effect from gas to electricity being stronger than the spillover effect from electricity to gas, 42 and an adverse event in the gas sector having a higher impact on the overall energy sector compared with an adverse event in the electric sector. 43 The simulation study suggests that promoting electricity-gas cooperations could potentially establish a more symmetrical influence between gas prices and electricity prices. During a gas price spike, the local gas price could be determined by the cost of power units and the cost of PtG, provided that there is sufficient renewable generation and reasonable PtG costs.…”
Section: Discussionmentioning
confidence: 96%
“…Naeem 等 [16] 使用动态条件关联-广义自回归条件异 方差 (DCC-GARCH) 模型, 调查了能源市场的不确 定性对美国 12 个行业影响, 指出其对金融和房地产 等行业产生了积极影响; 对消费服务, 医疗保健等 行业产生负面影响。Ouyang 等 [17] 研究商品市场系 统性风险时发现, 能源商品对其他商品系统性风险 最高, 其价格变化最容易引起市场波动。但学界就 能源行业对其他行业的系统性风险传染情况并没 有达成一致观点。Kerste 等 [18] [19] 。能源行业系统性风 险不能通过在能源行业内的分散投资来消除, 且能 源子行业的风险积累到一定程度就会向外溢出, 影 响其他能源子行业以及其他国家的能源行业。Tan 等 [20] 发现石油与清洁能源之间存在非对称性风险溢 出, 极端下行风险更容易在石油和清洁能源股票市 场传递。Wu 等 [21] 从全球能源公司的角度, 研究了能 源系统性风险溢出, 并指出油气行业为系统风险贡 献水平最高的行业。Ouyang 等 [22] 从产业链角度研 究了能源商品之间的风险传染, 指出能源行业风险 传染一般是从石化行业向煤炭行业传导, 各行业风 险主要是从上游向下游产品溢出。随着全球能源 市场复杂性和关联性程度的进一步加深, 也有一些 学者从不同国家的角度对国际能源体系的系统性 风险进行研究。Zhu 等 [23] 通过高斯图模型 (GGM) 估 计了 27 个国家石油部门之间的系统性风险溢出, 得 出不同国家能源行业之间的复杂网络关系。Zhou 等 [24] 以俄乌冲突为例研究了欧洲国家间石油和天然 气市场的系统性风险, 指出俄乌冲突显著增加了欧 洲天然气和石油市场的系统性风险, 并且, 与石油 市场相比, 天然气市场的系统性风险更高, 上升速 度更快, 下降速度更慢。此外, 一些学者就能源行 业内系统性风险的成因进行了研究。Zhu 等 [25] 研究 了能源系统内能源企业系统性风险对能源安全的 影响, 指出能源风险事件冲击通过导致能源生产和 能源投资下降显著影响能源安全。Xiong 等 [26] 通过 动态网络和加权马氏距离相结合的新型混合方法, 研究了国际能源市场体系的整体系统性风险水平, 指出单一能源市场的异常价格行为和能源市场间 的动态价格相关性是国际能源市场中造成系统性 风险的两个主要因素。 另一方面, 许多实证研究表明, 能源行业内波 动风险除表现为日常平稳连续性波动情形下的常 态性风险溢出外, 还存在突发的尾部性风险 [27][28][29][30] 。 2023 年 3 月 赵树然等: 波动分解视角下中国能源业系统性风险溢出 http://www.resci.cn Maslyuk 等 [31] 通过非参数跳跃检测对能源价格的非 连续性跳跃的发生频率及方向特征进行了研究, 指 出能源期货与现货之间以及不同能源之间存在频 繁的跳跃联动。Xu 等 [32] 通过引入拓扑吸收揭示能 源系统性风险中的 "风险跳跃" 现象, 并对不同能源 价格间的关联性进行研究, 指出原油期货价格波动 影响能源价格体系的稳定性, 且能源价格波动的长 期相关性将导致较高的系统风险。此外, 由于能源 商品的地缘政治性质 [33] , 能源商品金融化, 以及大多 数能源公司的高杠杆率 [34]…”
Section: 系统性风险是指某一事件引发整个系统严重 不稳定或崩溃的可能性, 主要表现为风险在行业间unclassified
“…Çelïk et al [30] examined the various impacts of the COVID-19 outbreak on the development of the renewable energy production, energy demand, economy and renewable energy sectors, among others. Zhu et al [31] captured the transmission of systemic risk in Chinese energy firms and found that systemic risk spillovers significantly impacted energy security, and the effects are particularly pronounced under the COVID-19 pandemic. He and Zhang [32] explored the consequences of the COVID-19 pandemic on a few OECD countries regarding energy and the economy and revealed that energy consumption impedes economic growth, while economic expansion spurs the former.…”
Section: Introductionmentioning
confidence: 99%