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SSRN Electronic Journal
Article . 2017 . Peer-reviewed
Data sources: Crossref
EconStor
Research . 2017
Data sources: EconStor
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Optimal Capital Regulation

Authors: Moyen, Stéphane; Schroth, Josef;

Optimal Capital Regulation

Abstract

Nous étudions la réglementation sur les fonds propres des banques assortie d’une contrainte d’efficience dans un modèle intégrant des exigences de fonds propres imposées par le marché. Les banques détiennent des volants de fonds propres pour se protéger contre une perte soudaine d’accès au financement. Toutefois, dans le modèle, les banques décident de se protéger en partie seulement, car la formation de capital bancaire s’avère coûteuse pour elles. Par conséquent, les exigences de fonds propres sont parfois contraignantes. La réglementation assortie d’une contrainte d’efficience oblige les banques à constituer des volants de fonds propres supplémentaires et à en contrebalancer le coût par une augmentation permanente des marges d’intermédiation. Lorsque les volants sont épuisés, la réglementation assouplit les exigences de fonds propres imposées par le marché en améliorant les perspectives des banques par la hausse temporaire des marges d’intermédiation.

We study constrained-efficient bank capital regulation in a model with market-imposed equity requirements. Banks hold equity buffers to insure against sudden loss of access to funding. However, in the model, banks choose to only partially self-insure because equity is privately costly. As a result, equity requirements are occasionally binding. Constrained-efficient regulation requires banks to build up additional equity buffers and compensates them for the cost of equity with a permanent increase in lending margins. When buffers are depleted, regulation relaxes the market-imposed equity requirements by raising bank future prospects through temporarily elevated lending margins.

Related Organizations
Keywords

Financial system regulation and policies, Financial stability, ddc:330, Credit and credit aggregates, E44, E13, Financial institutions, E32

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
bronze