Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/128633
Authors: 
Bluhm, Marcel
Year of Publication: 
2015
Series/Report no.: 
SAFE Working Paper Series 117
Abstract: 
The interbank market is important for the efficient functioning of the financial system, transmission of monetary policy and therefore ultimately the real economy. In particular, it facilitates banks' liquidity management. This paper aims at extending the literature which views interbank markets as mutual liquidity insurance mechanism by taking into account persistence of liquidity shocks. Following a theory of long-term interbank funding a financial system which is modeled as a micro-founded agent based complex network interacting with a real economic sector is developed. The model features interbank funding as an over-the-counter phenomenon and realistically replicates financial system phenomena of network formation, monetary policy transmission and endogenous money creation. The framework is used to carry out an optimal policy analysis in which the policymaker maximizes real activity via choosing the optimal interest rate in a trade-off between loan supply and financial fragility. It is shown that the interbank market renders the financial system more efficient relative to a setting without mutual insurance against persistent liquidity shocks and therefore plays a crucial role for welfare.
Subjects: 
financial fragility
interbank market
liquidity
maturity
network model
JEL: 
E44
E51
G01
G21
G28
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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