The heterogeneous dependence between global crude oil and Chinese commodity futures markets: evidence from quantile regression

The heterogeneous dependence between global crude oil and Chinese commodity futures markets: evidence from quantile regression
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全球原油与中国商品期货市场的异质依赖性:来自分位数回归的证据

DOI:
10.1080/00036846.2018.1564117
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发表时间:
2019-01
期刊:
影响因子:
2.2
通讯作者:
Jia XH
Jia XH
中科院分区:
经济学4区
文献类型:
--
作者:
Zhu HM;Duan R;Peng C;Jia XH

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本文探讨了全球原油石油与中国商品期货市场之间不同分数分布之间的依赖性。根据2004年6月11日至2017年7月7日的每周数据,我们通过应用分位数回归方法来解决此问题。该技术对依赖性提供了更详细的研究。此外,考虑到由市场动荡或金融危机造成的结构中断,我们根据这些休息日期将每个商品部门市场的整个时期分为子期间,以进一步探索依赖性变化。经验结果表明,在不同商品领域的分位数之间,全球原油和中国商品期货市场之间的依赖性不同。除了预期收益率高的市场外,依赖性是显着的。此外,结构断裂引起的效果在整个分位数之间明显异质。随着分位数的增加,同一突破对依赖程度的影响表现出越来越多的趋势,这表明具有高预期回报的市场更容易受到危机的影响。最后,我们采用预测分析来进一步验证商品部门的异质性,这可能是异质依赖性的原因。
This paper explores the dependence between global crude oil and Chinese commodity futures markets across different quantiles of the return distributions. Based on weekly data from 11 June 2004 to 7 July 2017, we address this issue by applying a quantile regression method. This technique provides a more detailed investigation of the dependence. Moreover, considering the structural breaks caused by market turmoil or financial crises, we divide the full period of every commodity sector market into sub-periods based on these break dates to further explore the dependence changes. The empirical results indicate that the dependence between global crude oil and Chinese commodity futures markets is different across quantiles in different commodity sectors. The dependence is significantly positive, except in markets with high expected returns. Additionally, the effects caused by structural breaks are distinctly heterogeneous across quantiles. The effect of the same break on the degree of dependence exhibits an increasing tendency as the quantile level increases, which suggests that markets with high expected returns are more susceptible to crises. Finally, we apply a prediction analysis to further verify the heterogeneity of the commodity sectors, which may be the cause of the heterogeneous dependence.
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