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Static and dynamic networks in interbank markets

Cohen-Cole, Ethan (author)
Patacchini, Eleonora (author)
Zenou, Yves (author)
Stockholms universitet,Nationalekonomiska institutionen,The Research Institute of Industrial Economics (IFN), Sweden
 (creator_code:org_t)
2015-02-12
2015
English.
In: Network Science. - : Cambridge University Press (CUP). - 2050-1242 .- 2050-1250. ; 3:01, s. 98-123
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • This paper proposes a model of network interactions in the interbank market. Our innovation is to model systemic risk in the interbank network as the propagation of incentives or strategic behavior rather than the propagation of losses after default. Transmission in our model is not based on default. Instead, we explain bank profitability based on competition incentives and the outcome of a strategic game. As competitors' lending decisions change, banks adjust their own decisions as a result: generating a “transmission” of shocks through the system. We provide a unique equilibrium characterization of a static model, and embed this model into a full dynamic model of network formation. We also determine the key bank, which is the bank that is crucial for the stability of the financial network.

Subject headings

SAMHÄLLSVETENSKAP  -- Ekonomi och näringsliv -- Nationalekonomi (hsv//swe)
SOCIAL SCIENCES  -- Economics and Business -- Economics (hsv//eng)

Keyword

financial networks
interbank lending
interconnections
network centrality
key banks

Publication and Content Type

ref (subject category)
art (subject category)

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Network Science
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