Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/60237
Authors: 
Bosma, Jakob
Koetter, Michael
Wedow, Michael
Year of Publication: 
2012
Series/Report no.: 
Discussion Paper, Deutsche Bundesbank 16/2012
Abstract: 
We identify the connections between financial institutions from different sectors of the financial industry based on joint extreme movements in credit default swap (CDS) spreads. First, we estimate pairwise co-crash probabilities (CCP) to identify significant connections among 193 international financial institutions and explain CCPs with shared country and/or sectoral origin indicators. Second, we use network centrality measures to identify systemically important financial institutions. Third, we test if bailouts stabilized network neighbors and thus this financial system. Financial firms from the same sector and country are most likely significantly connected. Inter-sector and intra-sector connectivity across countries also increase the likelihood of significant links. Central network indicators based on significant CCPs identify many institutions that failed during the 2007/2008 crisis. Excess equity returns in response to bank bailouts are overall negative and significantly lower for connected banks.
Subjects: 
Extreme Value Theory
CDS Spreads
Systemic Institutions
Network Stability
JEL: 
C14
G14
G21
H12
ISBN: 
978-3-86558-826-5
Document Type: 
Working Paper

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