The effect of the interbank network structure on contagion and common shocks
This paper proposes a dynamic multi-agent model of a banking system with central bank. Banks optimize a portfolio of risky investments and riskless excess reserves according to their risk, return, and liquidity preferences. They are linked via interbank loans and face stochastic deposit supply. Evidence is provided that the central bank stabilizes interbank markets in the short-run only. Comparing different interbank network structures, it is shown that money-center networks are more stable than random networks. Systemic risk via contagion is compared to common shocks and it is shown that both forms of systemic risk require different optimal policy responses.
|Date of creation:||2011|
|Date of revision:|
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- Nier, Erlend & Yang, Jing & Yorulmazer, Tanju & Alentorn, Amadeo, 2007.
"Network models and financial stability,"
Journal of Economic Dynamics and Control,
Elsevier, vol. 31(6), pages 2033-2060, June.
- Viral V. Acharya & Tanju Yorulmazer, 2008.
"Cash-in-the-Market Pricing and Optimal Resolution of Bank Failures,"
Review of Financial Studies,
Society for Financial Studies, vol. 21(6), pages 2705-2742, November.
- Viral Acharya & Tanju Yorulmazer, 2007. "Cash-in-the-market pricing and optimal resolution of bank failures," Bank of England working papers 328, Bank of England.
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