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      Network structure of Turkish interbank market

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      Author(s)
      Sümer, Tuba Pelin
      Özyıldırım, Süheyla
      Date
      2022-12-01
      Source Title
      Central Bank Review
      Print ISSN
      13030701
      Publisher
      Elsevier B.V.
      Volume
      22
      Issue
      4
      Pages
      149 - 161
      Language
      English
      Type
      Article
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      Abstract
      Global financial crisis has shown the importance of understanding the structure of interbank relations. In this study, we investigate the network relations based on interbank exposures in Türkiye. We estimate several network statistics and document how the network relations have changed over the time period of 2002–2021. We find that the network structures vary substantially by financial instruments such as repo, deposit, loan, security issuances, derivatives and other off-balance sheet items showing the significance of covering all type of exposures in network analysis. Using network statistics, we show that Turkish interbank network structure shows a core-periphery structure which is found to be more resilient during stress times in the literature. Finally, we find that larger banks are characterized as having higher network centrality measures as degree, clustering coefficient and closeness centrality showing the importance of these banks in terms of intermediation and substitutability.
      Keywords
      Network analysis
      Financial interconnectedness
      Permalink
      http://hdl.handle.net/11693/111849
      Published Version (Please cite this version)
      https://dx.doi.org/10.1016/j.cbrev.2022.11.003
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