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Financial contagion in the laboratory: Does network structure matter?

Author

Listed:
  • John Duffy

    (University of California, Irvine)

  • Aikaterini Karadimitropoulou

    (University of East Anglia)

  • Melanie Parravano

    (Newcastle University)

Abstract
We design and report on the first laboratory experiment exploring the role of interbank network structure and premature liquidation costs for the likelihood of a financial contagion. The laboratory provides the control necessary to understand the role played by interbank network configurations and liquidation costs for the fragility of the financial system. Specifically, we study the likelihood of financial contagion in complete and incomplete networks of banks that are linked in terms of interbank deposits as in the model of Allen and Gale (2000) and we further vary the cost of premature liquidation. Subjects play the role of depositors who must decide whether or not to withdraw their funds from their interconnected banks. We find that when liquidation costs are high, a complete network structure enabling efficient risk sharing is significantly less vulnerable to financial contagions than an incomplete network structure. However, when liquidation costs are low, network structure does not matter as much for the frequency of financial contagions. We conclude that low liquation costs or a more complete network structure can be viewed as substitutes for reducing the frequency of financial contagions.

Suggested Citation

  • John Duffy & Aikaterini Karadimitropoulou & Melanie Parravano, 2017. "Financial contagion in the laboratory: Does network structure matter?," Working Paper series, University of East Anglia, Centre for Behavioural and Experimental Social Science (CBESS) 16-11R, School of Economics, University of East Anglia, Norwich, UK..
    • Handle: RePEc:uea:wcbess:16-11r
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    References listed on IDEAS

    as
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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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    11. 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.
    12. Arifovic, Jasmina & Hua Jiang, Janet & Xu, Yiping, 2013. "Experimental evidence of bank runs as pure coordination failures," Journal of Economic Dynamics and Control, Elsevier, vol. 37(12), pages 2446-2465.
    13. 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.
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    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. 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.
    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. Olivier Armantier & Charles Holt, 2024. "Can Discount Window Stigma Be Cured? An Experimental Investigation," Staff Reports 1103, Federal Reserve Bank of New York.
    4. 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.
    5. 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..
    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. 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).
    8. 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.
    9. 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.
    10. 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.
    11. 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.

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    More about this item

    Keywords

    contagion; networks; experiments; bank runs; interbank deposits; 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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