Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/162505
Authors: 
Chen, Cathy Yi-Hsuan
Härdle, Wolfgang
Okhrin, Yarema
Year of Publication: 
2017
Series/Report no.: 
SFB 649 Discussion Paper 2017-004
Abstract: 
The interdependence, dynamics and riskiness of financial institutions are the key features frequently tackled in financial econometrics. We propose a Tail Event driven Network Quantile Regression (TENQR) model which addresses these three aspects. More precisely, our framework captures the risk propagation and dynamics in terms of a quantile (or expectile) autoregression involving network effects quantified through an adjacency matrix. To reflect the nature and risk content of systemic risk, the construction of the adjacency matrix is suggested to include tail event covariates. The model is evaluated using the SIFIs (systemically important financial institutions) identified by the Financial Stability Board (FSB) as main players in the global financial system. The risk decomposition analysis of it identifies the systemic importance of SIFIs and thus provides measures for the required level of additional loss absorbency. It is discovered that the network effect, as a function of the tail probability, becomes more profound in stress situations and brings the various impacts to the SIFIs located in different geographic regions.
Subjects: 
systemic risk
network analysis
network autoregression
tail event
JEL: 
C01
C14
C58
C45
G01
G15
G31
Document Type: 
Working Paper

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