Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/278660 
Erscheinungsjahr: 
2023
Schriftenreihe/Nr.: 
ECB Working Paper No. 2828
Verlag: 
European Central Bank (ECB), Frankfurt a. M.
Zusammenfassung: 
Based on a non-linear equilibrium model of the banking sector with an occasionally-binding equity issuance constraint, we show that the economic impact of changes in bank capital requirements depends on the state of the macro-financial environment. In "normal" states where banks do not face problems to retain enough profits to satisfy higher capital requirements, the impact on bank loan supply works through a "pricing channel" which is small: around 0.1% less loans for a 1pp increase in capital requirements. In "bad" states where banks are not able to come up with sufficient equity to satisfy capital requirements, the impact on loan supply works through a "quantity channel", which acts like a financial accelerator and can be very large: up to 10% more loans for a capital requirement release of 1pp. Compared to existing DSGE models with a banking sector, which usually feature a constant lending response of around 1%, our state-dependent impact is an order of magnitude lower in "normal" states and an order of magnitude higher in "bad" states. Our results provide a theoretical justification for building up a positive countercyclical capital buffer in "normal" macro-financial environments.
Schlagwörter: 
Bank capital requirements
loan supply
dynamic stochastic equilibrium model
financial accelerator
global solution methods
JEL: 
D21
E44
E51
G21
G28
Persistent Identifier der Erstveröffentlichung: 
ISBN: 
978-92-899-6113-4
Dokumentart: 
Working Paper

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