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- Title
Systemic Risk with Multi-Channel Risk Contagion in the Interbank Market.
- Authors
Jiang, Shanshan; Wang, Jie; Dong, Ruiting; Li, Yutong; Xia, Min
- Abstract
The systematicness of banks is an important driver of financial crisis. Overlapping portfolios and assets correlation of banks' investment are important reasons for systemic risk contagion. The existing systemic risk models are all analyzed from one aspect and cannot reflect the real situation of the banking system. In the present paper, considering the overlapping portfolios and assets correlation, a contagion network model with multi-channel risk is proposed, which is with interbank lending (direct contagion channel), overlapping portfolios (indirect contagion channel), and assets correlation (indirect contagion channel). In addition, the model takes investment risk as an impact factor and learns the operation rules of the banking system to help banks compensate for liquidity through asset depreciation. Based on the proposed model, the effects of assets correlation, assets diversity, assets investment strategy, interbank network structure, and the impact of market density on risk contagion are studied and analyzed quantitatively. The method in this paper can more truly reflect the banking system risk than the existing model. This paper provides a solution for quantitative analysis of systemic risk, which provides powerful tools for macroprudential stress testing and a reference for regulatory authorities to prevent systemic risk.
- Subjects
INTERBANK market; SYSTEMIC risk (Finance); BANK liquidity; BANK investments; FINANCIAL crises
- Publication
Sustainability (2071-1050), 2023, Vol 15, Issue 3, p2727
- ISSN
2071-1050
- Publication type
Article
- DOI
10.3390/su15032727