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温度差异和系统性风险:基于中国泛金融市场的LASSO-VAR-DY证据
1School of Business Administration, Liaoning Technical University, Huludao, Liaoning, China.
PloS one
|March 15, 2024
概括
气候变化影响金融市场,温度差异显著影响系统风险. 较高的温度会增加风险,而较低的温度会降低风险,在银行和证券等行业中表现出不对称的效应.
科学领域:
- 环境经济学环境经济学
- 金融风险管理 金融风险管理
- 气候变化影响分析
背景情况:
- 气候变化对金融市场构成系统性风险.
- 了解温度波动与金融不稳定之间的联系至关重要.
- 现有的研究往往忽视了气候相关风险对泛金融市场传染的影响.
研究的目的:
- 调查温度差异对泛金融市场环境中的系统性金融风险的影响.
- 分析气候引起的金融风险的传染途径和部门异质性.
- 为宏观审慎政策调整提供经验证据.
主要方法:
- 为112家中国上市公司建立了泛金融市场波动性相关联网络.
- 使用了一个高维时间序列变量 LASSO-VAR-DY 框架.
- 采用自身向量中心性来衡量企业级系统性风险.
- 分析了系统风险的动态演变和差异分解.
主要成果:
- 在泛金融市场和非泛金融市场情景之间存在系统风险的显著差异.
- 较高的温度加剧系统性风险,而较低的温度减轻它,表现出不对称和异质的影响.
- 温度冲击对系统风险有不同的动态影响,银行和证券行业表现出更高的敏感性.
- 温度差异已成为系统性金融风险的传染源,其途径不断变化 (例如,银行 → 房地产 → 新能源 → 温度差异).
结论:
- 温度差异是中国泛金融市场系统性金融风险的重要驱动因素.
- 气候变化需要适应性的宏观审慎监管框架.
- 政策干预应考虑温度对金融稳定的不对称和异质影响.
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