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Interlinkages and structural changes in cross-border liabilities: a network approach

  • Alessandro Spelta

    ()

    (Department of Economics and Business, University of Pavia)

  • Tanya Araújo

    ()

    (ISEG - Technical University of Lisbon (TULisbon) and Research Unit on Complexity in Economics (UECE))

We study the international interbank market through a geometrical and a topological analysis of empirical data. The geometrical analysis of the time series of cross-country liabilities shows that the systematic information of the interbank international market is contained in a space of small dimension, from which a topological characterization could be conveniently carried out. Weighted and complete networks of financial linkages across countries are developed, for which continuous clustering, degree centrality and closeness centrality are computed. The behavior of these topological coefficients reveals an important modification acting in the financial linkages in the period 1997-2011. Here we show that, besides the generalized clustering increase, there is a persistent increment in the degree of connectivity and in the closeness centrality of some countries. These countries seem to correspond to critical locations where tax policies might provide opportunities to shift debts. Such critical locations highlight the role that specific countries play in the network structure and helps to situates the turbulent period that has been characterizing the global financial system since the Summer 2007 as the counterpart of a larger structural change going on for a more than one decade.

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File URL: http://economia.unipv.it/docs/dipeco/quad/ps/RePEc/pav/wpaper/q181.pdf
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Paper provided by University of Pavia, Department of Economics and Quantitative Methods in its series Quaderni di Dipartimento with number 181.

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Length: 25 pages
Date of creation: Jun 2012
Date of revision:
Handle: RePEc:pav:wpaper:181
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  1. Huizinga, Harry & Nicodeme, Gaetan, 2004. "Are international deposits tax-driven," Journal of Public Economics, Elsevier, vol. 88(6), pages 1093-1118, June.
  2. Fujiwara, Yoshi & Aoyama, Hideaki & Ikeda, Yuichi & Iyetomi, Hiroshi & Souma, Wataru, 2009. "Structure and Temporal Change of Credit Network between Banks and Large Firms in Japan," Economics Discussion Papers 2009-1, Kiel Institute for the World Economy.
  3. R. Mantegna, 1999. "Hierarchical structure in financial markets," The European Physical Journal B - Condensed Matter and Complex Systems, Springer, vol. 11(1), pages 193-197, September.
  4. R. Vilela Mendes & Tanya Ara\'{u}jo & Francisco Lou\c{c}\~{a}, 2002. "Reconstructing an economic space from a market metric," Papers cond-mat/0211108, arXiv.org.
  5. Alessandro Spelta & Tanya Araújo, 2012. "The topology of cross-border exposures: beyond the minimal spanning tree approach," Working Papers Department of Economics 2012/11, ISEG - School of Economics and Management, Department of Economics, University of Lisbon.
  6. Tanya Araujo & Francisco Louca, 2007. "The geometry of crashes. A measure of the dynamics of stock market crises," Quantitative Finance, Taylor & Francis Journals, vol. 7(1), pages 63-74.
  7. Kimmo Soramaki & Morten L. Bech & Jeffrey Arnold & Robert J. Glass & Walter Beyeler, 2006. "The topology of interbank payment flows," Staff Reports 243, Federal Reserve Bank of New York.
  8. George A. Akerlof, 2009. "How Human Psychology Drives the Economy and Why It Matters," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 91(5), pages 1175-1175.
  9. Iyetomi, Hiroshi & Ikeda, Yuichi & Aoyama, Hideaki & Fujiwara, Yoshi & Souma, Wataru, 2009. "Structure and Temporal Change of the Credit Network between Banks and Large Firms in Japan," Economics - The Open-Access, Open-Assessment E-Journal, Kiel Institute for the World Economy, vol. 3, pages 1-18.
  10. Garratt, Rodney & Mahadeva, Lavan & Svirydzenka, Katsiaryna, 2011. "Mapping systemic risk in the international banking network," Bank of England working papers 413, Bank of England.
  11. Tanya Araujo & Francisco Louçã, 2007. "The Seismography of Crashes in Financial Markets," Working Papers Department of Economics 2007/05, ISEG - School of Economics and Management, Department of Economics, University of Lisbon.
  12. Yoshi Fujiwara & Hideaki Aoyama & Yuichi Ikeda & Hiroshi Iyetomi & Wataru Souma, 2009. "Structure and temporal change of the credit network between banks and large firms in Japan," Papers 0901.2377, arXiv.org, revised May 2009.
  13. de Masi, G. & Iori, G. & Caldarelli, G., 2006. "A fitness model for the Italian interbank money market," Working Papers 06/08, Department of Economics, City University London.
  14. Tanya Araújo & R. Vilela Mendes, 2001. "Function and form in networks of interacting agents," Working Papers Department of Economics 2001/03, ISEG - School of Economics and Management, Department of Economics, University of Lisbon.
  15. Javier A. Reyes & Camelia Minoiu, 2011. "A Network Analysis of Global Banking:1978-2009," IMF Working Papers 11/74, International Monetary Fund.
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