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Financial Contagion in the Laboratory: Does Network Structure Matter?

Author

Listed:
  • John Duffy

    (Department of Economics, University of California-Irvine)

  • Aikaterini Karadimitropoulou

    (School of Economics, University of East Anglia)

  • Melanie Parravano

    (Business School, Newcastle University)

Abstract

We design and report on laboratory experiments exploring the role of interbank network structure for the likelihood of a financial contagion. The laboratory provides us with the control necessary to precisely explore the role of different network configurations for the fragility of the financial system. Specifically, we study the likelihood of financial contagion in complete and incomplete networks of banks who are linked in terms of interbank deposits as in the model of Allen and Gale (2000). Subjects play the role of depositors who must decide whether or not to withdraw their funds from their bank. We find that financial contagions are possible under both network structures. While such contagions always occur under an incomplete interbank network structure, they are significantly less likely to occur under a complete interbank network structure where interbank linkages can effectively provide insurance against shocks to the system, and localize damage from the financial shock.

Suggested Citation

  • John Duffy & Aikaterini Karadimitropoulou & Melanie Parravano, 2016. "Financial Contagion in the Laboratory: Does Network Structure Matter?," Working Papers 151608, University of California-Irvine, Department of Economics.
    • Handle: RePEc:irv:wpaper:151608
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    References listed on IDEAS

    as
    1. Hubert Janos Kiss & Ismael Rodriguez‐Lara & Alfonso Rosa‐García, 2012. "On the Effects of Deposit Insurance and Observability on Bank Runs: An Experimental Study," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 44(8), pages 1651-1665, December.
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    4. Kiss, Hubert Janos & Rodriguez-Lara, Ismael & Rosa-García, Alfonso, 2014. "Do social networks prevent or promote bank runs?," Journal of Economic Behavior & Organization, Elsevier, vol. 101(C), pages 87-99.
    5. Chakravarty, Surajeet & Fonseca, Miguel A. & Kaplan, Todd R., 2014. "An experiment on the causes of bank run contagions," European Economic Review, Elsevier, vol. 72(C), pages 39-51.
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    9. Brown, Martin & Trautmann, Stefan T. & Vlahu, Razvan, 2012. "Contagious Bank Runs: Experimental Evidence," Working Papers on Finance 1207, University of St. Gallen, School of Finance.
    10. Urs Fischbacher, 2007. "z-Tree: Zurich toolbox for ready-made economic experiments," Experimental Economics, Springer;Economic Science Association, vol. 10(2), pages 171-178, June.
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    14. Schotter, Andrew & Yorulmazer, Tanju, 2009. "On the dynamics and severity of bank runs: An experimental study," Journal of Financial Intermediation, Elsevier, vol. 18(2), pages 217-241, April.
    15. Rankin, Frederick W. & Van Huyck, John B. & Battalio, Raymond C., 2000. "Strategic Similarity and Emergent Conventions: Evidence from Similar Stag Hunt Games," Games and Economic Behavior, Elsevier, vol. 32(2), pages 315-337, August.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. Hubert J. Kiss & Ismael Rodriguez-Lara & Alfonso Rosa-Garcia, 2022. "Experimental bank runs," Chapters, in: Sascha Füllbrunn & Ernan Haruvy (ed.), Handbook of Experimental Finance, chapter 25, pages 347-361, Edward Elgar Publishing.
      • Hubert J. Kiss & Ismael Rodriguez-Lara & Alfonso Rosa-Garcia, 2021. "Experimental Bank Runs," ThE Papers 21/03, Department of Economic Theory and Economic History of the University of Granada..
    2. Rocco Caferra & Gabriele Tedeschi & Andrea Morone, 2023. "Agents interaction and price dynamics: evidence from the laboratory," Journal of Economic Interaction and Coordination, Springer;Society for Economic Science with Heterogeneous Interacting Agents, vol. 18(2), pages 251-274, April.
    3. Davis, Douglas D. & Korenok, Oleg & Lightle, John P. & Prescott, Edward S., 2020. "Liquidity requirements and the interbank loan market: An experimental investigation," Journal of Monetary Economics, Elsevier, vol. 115(C), pages 113-126.
    4. Sharif Mazumder & Louis R. Piccotti, 2023. "Systemic Risk: Bank Characteristics Matter," Journal of Financial Services Research, Springer;Western Finance Association, vol. 64(2), pages 265-301, October.
    5. Bayona, Anna & Peia, Oana, 2022. "Financial contagion and the wealth effect: An experimental study," Journal of Economic Behavior & Organization, Elsevier, vol. 200(C), pages 1184-1202.
    6. Kiss, Hubert J. & Rodriguez-Lara, Ismael & Rosa-Garcia, Alfonso, 2022. "Preventing (panic) bank runs," Journal of Behavioral and Experimental Finance, Elsevier, vol. 35(C).
    7. Hubert Janos Kiss & Ismael Rodriguez-Lara & Alfonso Rosa-Garcia, 2018. "Who runs first to the bank?," CERS-IE WORKING PAPERS 1826, Institute of Economics, Centre for Economic and Regional Studies.
    8. Kiss, Hubert János & Rodriguez-Lara, Ismael & Rosa-Garcia, Alfonso, 2022. "Who withdraws first? Line formation during bank runs," Journal of Banking & Finance, Elsevier, vol. 140(C).
    9. Morteza Alaeddini & Philippe Madiès & Paul J. Reaidy & Julie Dugdale, 2023. "Interbank money market concerns and actors’ strategies—A systematic review of 21st century literature," Journal of Economic Surveys, Wiley Blackwell, vol. 37(2), pages 573-654, April.
    10. Lucy F. Ackert & Brian D. Kluger & Li Qi & Lijia Wei, 2022. "An experimental examination of the flow of irrelevant information across markets," Southern Economic Journal, John Wiley & Sons, vol. 88(3), pages 1119-1148, January.

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    More about this item

    Keywords

    Contagion; Networks; Experiments; Bank runs; Interbank seposits; Financial fragility;
    All these keywords.

    JEL classification:

    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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