A Network Model of Financial System Resilience
37 Pages Posted: 23 Mar 2011
There are 2 versions of this paper
A Network Model of Financial System Resilience
Date Written: March 17, 2011
Abstract
We examine the role of macroeconomic fluctuations, asset market liquidity, and network structure in determining contagion and aggregate losses in a financial system. Systemic instability is explored in a financial network comprising three distinct, but interconnected, sets of agents – domestic banks, international financial institutions, and firms. Calibrating the model to publicly available advanced country banking sector data, we obtain sensible aggregate loss distributions which are bimodal in nature. We demonstrate how systemic crises may occur and analyze how our results are influenced by firesale externalities and the feedback effects from curtailed lending in the macroeconomy. We also show how the model can be used to inform stress-testing exercises of the kind recently conducted by regulators.
Keywords: Interbank Network, Stress Test, Systemic Risk, Firesales
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