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Bank Leverage Regulation and Macroeconomic Dynamic

Authors: Christensen, Ian; Meh, Cesaire; Moran, Kevin;

Bank Leverage Regulation and Macroeconomic Dynamic

Abstract

Les auteurs évaluent les avantages de la réglementation contracyclique des bilans bancaires pour la stabilisation des cycles économiques et financiers, et examinent comment cette réglementation interagit avec la politique monétaire. Ils s’appuient sur un modèle d’équilibre général dynamique et stochastique comportant des banques et des fonds propres bancaires, dans lequel les fonds propres apportent la solution à un problème d’asymétrie d’information entre les établissements et leurs créanciers. Dans cette représentation de l’économie, les décisions de chaque banque en matière de prêt ont une incidence sur le risque présenté par l’ensemble du secteur bancaire, même si les banques n’internalisent pas cet effet. La réglementation, qui consiste en une limitation du levier financier, peut atténuer l’influence de cette externalité en incitant les banques à modifier l’intensité de leurs efforts de surveillance. Les auteurs constatent que la réglementation contracyclique du levier financier peut avoir des propriétés stabilisatrices souhaitables, en particulier lorsque les chocs financiers sont une importante source de fluctuations économiques. Néanmoins, après un choc technologique, l’apport adéquat des exigences de fonds propres contracycliques à la stabilisation dépend de l’ampleur de l’externalité et de la conduite de la politique monétaire.

This paper assesses the merits of countercyclical bank balance sheet regulation for the stabilization of financial and economic cycles and examines its interaction with monetary policy. The framework used is a dynamic stochastic general equilibrium model with banks and bank capital, in which bank capital solves an asymmetric information problem between banks and their creditors. In this economy, the lending decisions of individual banks affect the riskiness of the whole banking sector, though banks do not internalize this impact. Regulation, in the form of a constraint on bank leverage, can mitigate the impact of this externality by inducing banks to alter the intensity of their monitoring efforts. We find that countercyclical bank leverage regulation can have desirable stabilization properties, particularly when financial shocks are an important source of economic fluctuations. However, the appropriate contribution of countercyclical capital requirements to stabilization after a technology shock depends on the size of the externality and on the conduct of the monetary authority.

Keywords

Moral hazard, bank capital, countercyclical capital requirements, leverage, monetary policy, Financial system regulation and policies, ddc:330, Economic models, Transmission of monetary policy, Financial institutions, E44, G21, Monetary policy framework, E52, jel: jel:E44, jel: jel:E52, jel: jel:G21

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Powered by OpenAIRE graph
Found an issue? Give us feedback
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!
42
Top 10%
Top 10%
Top 10%
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