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Default contagion and systemic risk in loan guarantee networks

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Listed:
  • Wenwei Li
  • Shenglin Ben
  • Ulrich Hommel
  • Sandra Paterlini
  • Jiefang Yu

Abstract

This paper studies systemic risk in the Chinese debt market stemming from inter‐corporate loan guarantees using field data from Zhejiang Province. We apply a weighted and directed network model to analyse the implications for default contagion and systemic risk under different stress testing scenarios. The empirical results indicate that the topology of the loan guarantee network is close to a ‘scale‐free’ structure, which is known to be robust against accidental failures but vulnerable to coordinated attacks. Hence, the network is able to cope with idiosyncratic shocks resulting from single company failures, but can easily suffer from more widespread contagion if a group of systemically important companies are hit by a targeted shock. We further demonstrate that within our sample of small and medium‐sized enterprise (SME) companies, increasing leverage reduces network stability and exacerbates the effects of contagion. More lenient bank lending policies increase the survival rate of sample companies and thereby reduce the losses from default contagion.

Suggested Citation

  • Wenwei Li & Shenglin Ben & Ulrich Hommel & Sandra Paterlini & Jiefang Yu, 2019. "Default contagion and systemic risk in loan guarantee networks," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 59(S2), pages 1923-1946, November.
    • Handle: RePEc:bla:acctfi:v:59:y:2019:i:s2:p:1923-1946
    DOI: 10.1111/acfi.12549
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    Cited by:

    1. Lv, Jiamin & Ben, Shenglin & Huang, Wenli & Xu, Yueling, 2023. "How to reduce the default contagion risk of intercorporate credit guarantee networks? Evidence from China," Emerging Markets Review, Elsevier, vol. 55(C).
    2. Shan, Yuan George & Wang, Yirui & Wu, Wuqing & Zhen, Weihao, 2023. "Does the Achilles heel of guarantee networks drive financial distress?," International Review of Financial Analysis, Elsevier, vol. 87(C).
    3. Qian, Qian & Chao, Xiangrui & Feng, Hairong, 2023. "Internal or external control? How to respond to credit risk contagion in complex enterprises network," International Review of Financial Analysis, Elsevier, vol. 87(C).

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