Argentina | Network Topology of the Argentine Interbank Money Market

This paper provides an empirical network analysis of the Argentine interbank money market (known as call market). Based on 314,188 unsecured overnight loans settled between 2003 and 2017, its main topological features are examined, applying graph theory methods.

Key points

• Key points:
• The network exhibits low density, as is usual in financial networks, and a higher reciprocity than comparable random graphs.
• Its degree distribution shows a heavy-tailed behavior (lognormal distribution).
• Higher centrality enables banks to settle more convenient bilateral rates.

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