The topology of interbank payment flows

Kimmo Soramäki (), Morten L. Bech (), Jeffrey Bernard Arnold (), Robert J. Glass and Walter Beyeler

No 243, Staff Reports from Federal Reserve Bank of New York

Abstract: We explore the network topology of the interbank payments transferred between commercial banks over the Fedwire Funds Service. We find that the network is compact despite low connectivity. The network includes a tightly connected core of money-center banks to which all other banks connect. The degree distribution is scale-free over a substantial range. We find that the properties of the network changed considerably in the immediate aftermath of the attacks of September 11, 2001.

Keywords: Fedwire; Payment systems; Electronic funds transfers; Banking structure (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cba, nep-fmk, nep-mac and nep-net
Date: 2006
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