Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/297138 
Erscheinungsjahr: 
2023
Schriftenreihe/Nr.: 
LEM Working Paper Series No. 2023/30
Verlag: 
Scuola Superiore Sant'Anna, Laboratory of Economics and Management (LEM), Pisa
Zusammenfassung: 
We develop a macroeconomic agent-based model to study the role of systemically important banks (SIBs) in financial stability and the effectiveness of capital surcharges on SIBs as a risk management tool. The model is populated by heterogeneous firms, consumers, and banks interacting locally in different markets. In particular, banks provide credit to firms according to Basel III macro-prudential frameworks and manage their liquidity in the interbank market. The Central Bank performs monetary policy according to different types of Taylor rules. Our model endogenously generates banks with different balance sheet sizes, making some systemically important. The additional capital surcharges for SIBs prove to have a marginal effect on preventing the crisis since it points mainly to the ''too-big-to-fail'' problem with minimal importance for ''too-interconnected-to-fail'', ''too-many-to-fail'' and other issues. Moreover, we found that additional capital surcharges on SIBs do not account for the type and management strategy of the bank, leading to the ''one-size-fits-all'' problem. Finally, we found that additional loss-absorbing capacity needs to be increased to ensure total coverage of losses for failed SIBs.
Schlagwörter: 
Financial instability
monetary policy
macro-prudential policy
systemically important banks
additional loss-absorbing capacity
Basel III regulation
agent-based models
JEL: 
C63
E52
E6
G01
G21
G28
Dokumentart: 
Working Paper

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