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Intermediaries’ Substitutability and Financial Network Resilience: A Hyperstructure Approach

Author

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  • Accominotti, Olivier
  • Lucena, Delio
  • Ugolini, Stefano

Abstract

We propose a new methodology to assess intermediaries’ substitutability in financial networks featuring higher-order structures (credit intermediation chains). We represent the financial network as a hyperstructure and each credit intermediation chain as a hyperedge. This approach allows us to assess how the failure of intermediaries affects network connectivity. We apply this methodology to a unique dataset documenting the structure of the international, sterling money market at the heyday of the first globalization era (1880-1913). Our results reveal that the failure of individual money market actors could only cause limited damage to the network as intermediaries were highly substitutable. These findings suggest that an international financial network without highly systemic nodes can emerge even at a time of global economic integration.

Suggested Citation

  • Accominotti, Olivier & Lucena, Delio & Ugolini, Stefano, 2022. "Intermediaries’ Substitutability and Financial Network Resilience: A Hyperstructure Approach," CEPR Discussion Papers 17511, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:17511
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    More about this item

    Keywords

    Financial networks; Systemic risk; Hypergraphs; Intermediation chains; Bills of exchange; Hyperstructures;
    All these keywords.

    JEL classification:

    • D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
    • F30 - International Economics - - International Finance - - - General
    • G20 - Financial Economics - - Financial Institutions and Services - - - General
    • N20 - Economic History - - Financial Markets and Institutions - - - General, International, or Comparative

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