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跨境资本流动与商业银行系统性风险

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防范化解商业银行系统性风险是推动银行高质量发展的重要路径,也是牢牢守住不发生系统性金融风险、保障国家金融安全的重要抓手.在理论分析基础上,运用银行微观数据实证检验跨境资本流动强度对商业银行系统性风险的影响效应和影响机制.研究表明:第一,提高跨境资本流动强度显著降低了商业银行系统性风险,增强证券投资、其他投资的资本流动强度显著降低了商业银行系统性风险,而增强直接投资资本流动强度有利于降低商业银行系统性风险.第二,银行信贷规模和信贷集中度是跨境资本流动强度对商业银行系统性风险影响的重要渠道,提高跨境资本流动强度有利于增加银行信贷规模,降低银行信贷集中度,而银行信贷规模的增加和银行信贷集中度的降低有助于降低商业银行系统性风险."跨境资本流动强度—信贷规模/信贷客户集中度—商业银行系统性风险"传导渠道有效.第三,相比大型国有银行,跨境资本流动降低商业银行系统性风险效应在中小银行中表现更明显.因此,在进一步建立健全跨境资本流动机制的基础上,应更加重视银行信贷业务,强化银行监管,同时加强同国际金融机构合作,推动商业银行高质量发展.
Cross-border Capital Flow and the Systemic Risk of Commercial Banks
Leveraging cross-border capital to increase capital is a crucial strategy for fostering the high-quality development of China's economy.However,it is imperative to carefully consider the impact of such capital flows on the systemic risk of commercial banks.This study delves into the nuanced relationship between cross-border capital flows and the stability of commercial banks,and how to cope with such impact offering essential insights for advancing financial openness while safeguarding China's financial stability and development.And it is very important that the dual circulation of domestic and international economic activities,mutually reinforcing each other.The existing body of research lacks a unified understanding of the impact of cross-border capital flows on the systemic risk of commercial banks.However,there is a notable gap in exploring this relationship from the perspective of cross-border capital flow intensity.Specifically,the majority of extant research relies on empirical verification utilizing macro monthly data and cross-border panel data.However,the absence of comprehensive and in-depth empirical evidence at the micro level has resulted in inconsistent research conclusions and a limited understanding of the impact mechanisms governing the relationship between cross-border capital flows and the systemic risk of commercial banks.This paper employs China's international balance of payments to quantify cross-border capital flows intensity.Applying the conditional value at risk(CoVaR)method to calculate the systemic risk of commercial banks.The empirical findings reveal that heightened cross-border capital flows intensity significantly diminishes the systemic risk of commercial banks.Notably,intensifying the flow of securities investment capital and other forms of investment capital substantially reduces systemic risk of commercial banks.Although the flow of direct investment capital intensity also contributes to lowering systemic risk of commercial banks,but the effect is not statistically significant.Furthermore,the study identifies credit scale of banks and credit concentration of banks as pivotal channels through which cross-border capital flows impact systemic risk of commercial banks.Augmenting cross-border capital flows intensity proves beneficial in expanding credit scale of banks and reducing credit concentration of banks,consequently leading to a noteworthy reduction in systemic risk of commercial banks.The effective transmission channel observed is"cross-border capital flows intensity—credit scale/credit concentration—systemic risk of commercial banks".In contrast to large state-owned banks,small and medium-sized banks exhibit a greater capacity to absorb cross-border capital,resulting in a more pronounced reduction in systemic risk of commercial banks.This paper extends existing research in two key dimensions.First,it delves into the theoretical mechanisms through which cross-border capital flows intensity influences the systemic risk of commercial banks.It expands on previous literature by examining the impact of different cross-border capital flows structures on the systemic risk of Chinese commercial banks.Second,departing from the conventional focus on calculating the total amount of cross-border capital flows,this study introduces a novel measure—the intensity and structure of cross-border capital flows.Empirical analysis reveals the varying impact of cross-border capital flows intensity and its different structural components on the systemic risk of commercial banks.The paper further explores the mechanism through which cross-border capital flows intensity affects systemic risk of commercial banks based on credit scale of banks and credit concentration of banks.This research,to a considerable extent,unveils the internal logic of how cross-border capital flows,particularly those with different structures,influence the systemic risk of commercial banks.The insights gained from this study provide valuable guidance for government departments in formulating targeted policies and measures to facilitate high-quality financial opening up.By offering differentiated policy support for cross-border capital flows with distinct structures,authorities can more effectively steer and regulate these cross-border capital flows,contributing to the overall success of cross-border capital initiatives.

cross-border capital flowsthe systemic risk of commercial bankscredit scale of bankscredit concentration of banks

谢贤君、郁俊莉

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北京大学 政府管理学院,北京 100871

北京大学 中国新兴产业创新研究中心,北京 100871

跨境资本流动 商业银行系统性风险 银行信贷规模 银行信贷集中度

中国博士后科学基金项目

2023M730110

2024

当代经济科学
西安交通大学

当代经济科学

CSTPCDCSSCICHSSCD北大核心
影响因子:1.213
ISSN:1002-2848
年,卷(期):2024.46(1)
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