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Business fluctuations in a credit-network economy

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  • Domenico Delli Gatti
  • Mauro Gallegati
  • Bruce Greenwald
  • Alberto Russo
  • Joseph E. Stiglitz

Abstract

We model a network economy with three sectors: downstream firms, upstream firms, and banks. Agents are linked by productive and credit relationships so that the behavior of one agent influences the behavior of the others through network connections. Credit interlinkages among agents are a source of bankruptcy diffusion: in fact, failure of fulfilling debt commitments would lead to bankruptcy chains. All in all, the bankruptcy in one sector can diffuse to other sectors through linkages creating a vicious cycle and bankruptcy avalanches in the network economy. Our analysis show how the choices of credit supply by both banks and firms are interrelated. While the initial impact of monetary policy is on bank behaviour, we show the interactive play between the choices made by banks, the choices made by firms in their role as providers of credit, and the choices made by firms in their role as producers.

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File URL: http://arxiv.org/pdf/1006.3521
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Bibliographic Info

Paper provided by arXiv.org in its series Papers with number 1006.3521.

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Date of creation: Jun 2010
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Publication status: Published in Physica A: Statistical Mechanics and its Applications, Vol: 370, Issue: 1, 1 October 2006, pp: 68-74
Handle: RePEc:arx:papers:1006.3521

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  1. Bak, Per & Chen, Kan & Scheinkman, Jose & Woodford, Michael, 1993. "Aggregate fluctuations from independent sectoral shocks: self-organized criticality in a model of production and inventory dynamics," Ricerche Economiche, Elsevier, vol. 47(1), pages 3-30, March.
  2. Gatti, Domenico Delli & Guilmi, Corrado Di & Gaffeo, Edoardo & Giulioni, Gianfranco & Gallegati, Mauro & Palestrini, Antonio, 2005. "A new approach to business fluctuations: heterogeneous interacting agents, scaling laws and financial fragility," Journal of Economic Behavior & Organization, Elsevier, vol. 56(4), pages 489-512, April.
  3. Stiglitz,Joseph & Greenwald,Bruce, 2003. "Towards a New Paradigm in Monetary Economics," Cambridge Books, Cambridge University Press, number 9780521810340, October.
  4. Alan P. Kirman, 1992. "Whom or What Does the Representative Individual Represent?," Journal of Economic Perspectives, American Economic Association, vol. 6(2), pages 117-136, Spring.
  5. Bottazzi, Giulio & Secchi, Angelo, 2003. "Why are distributions of firm growth rates tent-shaped?," Economics Letters, Elsevier, vol. 80(3), pages 415-420, September.
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Citations

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Cited by:
  1. Diana Barro & Antonella Basso, 2008. "Credit contagion in a network of firms with spatial interaction," Working Papers 186, Department of Applied Mathematics, Università Ca' Foscari Venezia.
  2. Yoshiharu Maeno & Satoshi Morinaga & Hirokazu Matsushima & Kenichi Amagai, 2012. "Transmission of distress in a bank credit network," Papers 1204.5661, arXiv.org, revised Nov 2012.
  3. Yoshiharu Maeno & Kenji Nishiguchi & Satoshi Morinaga & Hirokazu Matsushima, 2012. "Optimal portfolio for a robust financial system," Papers 1211.5235, arXiv.org, revised Feb 2013.
  4. Joseph E. Stiglitz, 2013. "Stable Growth in an Era of Crises; Learning from Economic Theory and History," Ekonomi-tek - International Economics Journal, Turkish Economic Association, vol. 2(1), pages 1-39, January.
  5. G. De Masi & M. Gallegati, 2012. "Bank–firms topology in Italy," Empirical Economics, Springer, vol. 43(2), pages 851-866, October.
  6. Lee, Sangwook & Kim, Min Jae & Lee, Sun Young & Kim, Soo Yong & Ban, Joon Hwa, 2013. "The effect of the subprime crisis on the credit risk in global scale," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(9), pages 2060-2071.
  7. Dan Ladley, 2010. "Contagion and risk-sharing on the inter-bank market," Discussion Papers in Economics 11/10, Department of Economics, University of Leicester, revised Jan 2013.
  8. Stiglitz Joseph E., 2010. "Contagion, Liberalization, and the Optimal Structure of Globalization," Journal of Globalization and Development, De Gruyter, vol. 1(2), pages 1-47, December.
  9. Daiki Asanuma, 2013. "Lending attitude as a financial accelerator in a credit network economy," Journal of Economic Interaction and Coordination, Springer, vol. 8(2), pages 231-247, October.
  10. Passarella, Marco, 2011. "The two-price model revisited. A Minskian-Kaleckian reading of the process of 'financialization'," MPRA Paper 32033, University Library of Munich, Germany.
  11. Maeno, Yoshiharu, 2013. "Transient fluctuation of the prosperity of firms in a network economy," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(16), pages 3351-3359.
  12. Joseph E. Stiglitz, 2011. "Rethinking Macroeconomics: What Failed, And How To Repair It," Journal of the European Economic Association, European Economic Association, vol. 9(4), pages 591-645, 08.
  13. Roger Koppl & William Luther, 2012. "Hayek, Keynes, and modern macroeconomics," The Review of Austrian Economics, Springer, vol. 25(3), pages 223-241, September.
  14. Russo, Alberto, 2010. "Elementi di novità, meccanismi noti e cause di fondo della recente crisi
    [Elements of novelty, known mechanisms, and fundamental causes of the recent crisis]
    ," MPRA Paper 21648, University Library of Munich, Germany.
  15. Domenico Delli Gatti & Mauro Gallegati & Bruce C. Greenwald & Alberto Russo & Joseph E. Stiglitz, 2008. "Financially Constrained Fluctuations in an Evolving Network Economy," NBER Working Papers 14112, National Bureau of Economic Research, Inc.
  16. Bolos, Bradut & Bacarea, Vladimir & Marusteri, Marius, 2011. "Approaching Economic Issues through Epidemiology–An Introduction to Business Epidemiology," Journal for Economic Forecasting, Institute for Economic Forecasting, vol. 0(1), pages 257-276, March.
  17. Joseph E. Stiglitz, 2010. "Risk and Global Economic Architecture: Why Full Financial Integration May Be Undesirable," American Economic Review, American Economic Association, vol. 100(2), pages 388-92, May.
  18. Domenico Delli Gatti & Mauro Gallegati & Bruce Greenwald & Alberto Russo & Joseph Stiglitz, 2009. "Business fluctuations and bankruptcy avalanches in an evolving network economy," Journal of Economic Interaction and Coordination, Springer, vol. 4(2), pages 195-212, November.
  19. Passarella, Marco, 2011. "From the village fair to Wall Street. The Italian reception of Minsky’s economic thought," MPRA Paper 49593, University Library of Munich, Germany.

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