Ratio de levier à la Bâle III: quel impact sur l’offre de crédit et la stabilité bancaire ?

Kévin Spinassou

Revue économique, 2016, vol. 67, issue 6, 1153-1177

Abstract: This paper presents a theoretical model analysing the impact of a leverage ratio added to a risk-weighted ratio on the credit supply and banking stability. We show that the implementation of a risk-weighted capital ratio increases banking stability whereas it does not affect the credit supply, while the addition of a leverage ratio reduces the credit supply without necessarily improving banking stability. A leverage ratio increases the stability of the banking system only if the regulator has a weak capacity to impose audits and sanctions on banks. Our results highlight the importance of the consideration of the credit supply among the objectives of the regulator, especially in Europe, where the credit supply plays a major role in the financing of the economy. Classification JEL : G21, G28.

JEL-codes: G21 G28 (search for similar items in EconPapers)
Date: 2016
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