From banks’ strategies to financial (in)stability

Simone Berardi () and Gabriele Tedeschi
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Simone Berardi: Economics Department, Universitat Jaume I, Castellón, Spain

No 2015/11, Working Papers from Economics Department, Universitat Jaume I, Castellón (Spain)

Abstract: This paper aims to shed light on the emergence of systemic risk in credit systems. By developing an interbank market with heterogeneous financial institutions granting loans on different network structures, we investigate what market architecture is more resilient to liquidity shocks and how the risk spreads over the modeled system. In our model, credit linkages evolve endogenously via a fitness measure based on different banks’ strategies. Each financial institution, in fact, applies a strategy based on a low interest rate, a high supply of liquidity or a combination of them. Interestingly, the choice of the strategy influences both the banks’ performance and the network topology. In this way, we are able to identify the most effective tactics adapt to contain contagion and the corresponding network topology. Our analysis shows that, when financial institutions combine the two strategies, the interbank network does not condense and this generates the most efficient scenario in case of shocks.

Keywords: Interbank market; dynamic network; fitness model; network resilience; bank strategy (search for similar items in EconPapers)
JEL-codes: D85 G01 G02 (search for similar items in EconPapers)
Pages: 25 pages
Date: 2015
New Economics Papers: this item is included in nep-ban, nep-cfn and nep-hme
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Related works:
Journal Article: From banks' strategies to financial (in)stability (2017)
Working Paper: From banks' strategies to financial (in)stability (2015)
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Persistent link: https://EconPapers.repec.org/RePEc:jau:wpaper:2015/11

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