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Cascades In World Input–Output Network: Illusion Of Stability

Author

Listed:
  • ANDREY LEONIDOV

    (Theoretical Physics Department, P.N. Lebedev Physical Institute, 53 Leninsky prospect, Moscow 119991, Russia)

  • STANISLAV RADIONOV

    (Theoretical Physics Department, P.N. Lebedev Physical Institute, 53 Leninsky prospect, Moscow 119991, Russia)

  • EKATERINA VASILYEVA

    (Theoretical Physics Department, P.N. Lebedev Physical Institute, 53 Leninsky prospect, Moscow 119991, Russia)

Abstract

In this study, we address an issue of stability of global production network by constructing a scheme combining classical Leontieff input–output analysis and modeling of contagion in financial networks. We propose a model of disruptive cascades in global economy with nonlinear effects similar to those in the financial contagion model proposed by Elliott, Golub and Jackson (2014). We apply the model to the analysis of stability of the global input–output sectoral network using the data from the World Input-Output Database (WIOD). We show that this sectoral network appears to be very stable with respect to sectoral shocks. However, by introducing synthetic substructure of economic sectors in the WIOD data we show that this stability is to a significant extent an artifact of working with aggregated data. Namely, we show that the impact of economic shocks may be much more pronounced if an underlying disaggregated network is sufficiently sparse.

Suggested Citation

  • Andrey Leonidov & Stanislav Radionov & Ekaterina Vasilyeva, 2022. "Cascades In World Input–Output Network: Illusion Of Stability," Advances in Complex Systems (ACS), World Scientific Publishing Co. Pte. Ltd., vol. 25(04), pages 1-35, June.
    • Handle: RePEc:wsi:acsxxx:v:25:y:2022:i:04:n:s0219525922500084
    DOI: 10.1142/S0219525922500084
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