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An Analysis of Financial Conglomerate Resilience: A Perspective on bancassurance in France
[Une analyse de la résilience des conglomérats financiers : Une perspective sur la bancassurance en France]

Author

Listed:
  • Cyril Pouvelle.

Abstract

The objective of the paper is to shed light on the effects of financial conglomerate membership on banks' profitability, risk-taking, default risk and intragroup funding resilience. To that end, we estimate models of the entities' Return on Assets (ROA), the standard deviation of the ROA, the Z-score, a measure of banks' default risk, and intragroup funding standard deviation, using quarterly supervisory data available at the ACPR on a solo basis for French banks. We find that the financial conglomerate membership has a dampening effect on the volatility of the ROA and of intragroup funding growth, an effect that is even stronger in periods of financial stress. Moreover, financial conglomerate membership is found to reduce banks' default risk as it has a positive effect on a bank's Z-score overall. By contrast, no significant effect is shown on the ROA. By and large, these results invalidate the moral hazard assumption associated with financial conglomerates but rather highlight financial solidarity mechanisms within conglomerates. L'objectif de ce papier est de mettre en lumière les effets pour une entité de l'appartenance à un conglomérat financier en matière de rentabilité, de prise de risque, de risque de défaut et résilience du financement intragroupe. À cette fin, nous estimons plusieurs modèles du rendement des actifs (ROA), de l'écart-type du ROA, du Z-score, une mesure du risque de défaut d'une entreprise, et de l'écart-type de la croissance du financement intragroupe, en utilisant les données de supervision disponibles à l'ACPR sur base sociale pour les banques françaises, afin de comparer les entités appartenant à un conglomérat financier par rapport à celles des autres banques. Nos résultats indiquent que la participation à un conglomérat financier a un effet stabilisateur sur la volatilité du ROA et la croissance du financement intragroupe et que cet effet est même plus fort en période de stress financier. Par ailleurs, la participation à un conglomérat financier réduit le risque de défaut des banques car elle a un effet positif sur leur Z-score. En revanche, aucun effet significatif n'est trouvé sur le niveau du ROA. Au total, ces résultats invalident l'hypothèse d'aléa moral associée à l'appartenance à un conglomérat financier mais illustrent au contraire les bénéfices de l'appartenance à un conglomérat du fait des mécanismes de solidaritéfinancière intra-groupe.

Suggested Citation

  • Cyril Pouvelle., 2022. "An Analysis of Financial Conglomerate Resilience: A Perspective on bancassurance in France [Une analyse de la résilience des conglomérats financiers : Une perspective sur la bancassurance en France," Débats économiques et financiers 39, Banque de France.
  • Handle: RePEc:bfr:decfin:39
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    References listed on IDEAS

    as
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    More about this item

    Keywords

    Banks; Financial Policy and Risk Management; Financial Stability;
    All these keywords.

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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