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Which Sectors of a Modern Economy are most Central?

Author

Listed:
  • Florian Blöchl
  • Fabian J. Theis
  • Fernando Vega-Redondo
  • Eric O'N. Fisher
Abstract
We analyze input-output matrices for a wide set of countries as weighted directed networks. These graphs contain only 47 nodes, but they are almost fully connected and many have nodes with strong self-loops. We apply two measures: random walk centrality and one based on count-betweenness. Our findings are intuitive. For example, in Luxembourg the most central sector is “Finance and Insurance” and the analog in Germany is “Wholesale and Retail Trade” or “Motor Vehicles”, according to the measure. Rankings of sectoral centrality vary by country. Some sectors are often highly central, while others never are. Hierarchical clustering reveals geographical proximity and similar development status.

Suggested Citation

  • Florian Blöchl & Fabian J. Theis & Fernando Vega-Redondo & Eric O'N. Fisher, 2010. "Which Sectors of a Modern Economy are most Central?," CESifo Working Paper Series 3175, CESifo.
    • Handle: RePEc:ces:ceswps:_3175
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    File URL: https://www.cesifo.org/DocDL/cesifo1_wp3175.pdf
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    References listed on IDEAS

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    Cited by:

    1. Kevin Young & Stefano Pagliari, 2017. "Capital united? Business unity in regulatory politics and the special place of finance," Regulation & Governance, John Wiley & Sons, vol. 11(1), pages 3-23, March.
    2. Baskaran, Thushyanthan & Blöchl, Florian & Brück, Tilman & Theis, Fabian J., 2011. "The Heckscher-Ohlin model and the network structure of international trade," International Review of Economics & Finance, Elsevier, vol. 20(2), pages 135-145, April.
    3. Elsayyad, May & Konrad, Kai A., 2012. "Fighting multiple tax havens," Journal of International Economics, Elsevier, vol. 86(2), pages 295-305.

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