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La stabilité du secteur bancaire : gérer la négociabilité et la complexité

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  • Arnoud W. A. Boot
  • Matej Marinc

Abstract

[eng] The Stability of the Banking Sector : Dealing with Marketability and Complexity.. This paper focuses on the proliferation of financial innovations as a decisive force affecting the stability of the financial services industry. A fundamental feature of more recent financial innovations is their focus on augmenting marketability which makes banks and financial markets more intertwined. We argue that the more intertwined nature of banks and financial markets adds complexity and induces opportunistic decision making and herding. In doing so, it has exposed banks to the boom and bust nature of financial markets and has augmented instability. Building on this, the paper discusses whether capital regulation and market discipline might be effective at countering the elevated instability. Wewill argue that market forces might be at odds with financial stability and point at institutional and regulatory changes that might be needed. In particular, structural remedies are advocated in order to reduce the complexity of financial institutions. . Classification JEL : G01, G10 G21, G24, G28. [fre] Cet article se concentre sur la prolifération des innovations financières en tant que mécanisme décisif affectant la stabilité de l’industrie des services financiers. L’une des principales caractéristiques des innovations financières récentes est qu’elles visent à augmenter la négociabilité, rendant ainsi la dissociation des banques et des marchés financiers de plus en plus difficile. Nous soutenons que cette nature plus interconnectée des banques et des marchés financiers accentue la complexité, provoque des prises de décisions opportunistes et des comportements moutonniers, exposant ainsi les banques au caractère cyclique (alternance de fortes expansions et de récessions) des marchés financiers et augmentant l’instabilité. En partant de ce constat, l’article tente de déterminer si une réglementation en matière de fonds propres et de discipline de marché pourrait être efficace pour contrer cette instabilité élevée. Nous soutiendrons que les mécanismes du marché peuvent être en contradiction avec la stabilité financière et nous mentionnerons les changements institutionnels et réglementaires qui pourraient s’avérer nécessaires. Plus particulièrement, nous préconiserons des mesures correctives de nature structurelle visant à réduire la complexité des institutions financières. . Classification JEL : G01, G10 G21, G24, G28.

Suggested Citation

  • Arnoud W. A. Boot & Matej Marinc, 2012. "La stabilité du secteur bancaire : gérer la négociabilité et la complexité," Revue d'Économie Financière, Programme National Persée, vol. 106(2), pages 171-194.
  • Handle: RePEc:prs:recofi:ecofi_0987-3368_2012_num_106_2_5949
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    JEL classification:

    • G01 - Financial Economics - - General - - - Financial Crises
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G24 - Financial Economics - - Financial Institutions and Services - - - Investment Banking; Venture Capital; Brokerage
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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