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The Euro overnight interbank market and ECB's liquidity management policy during tranquil and turbulent times


  • Cassola, Nuno
  • Huetl, Michael


We analyze the impact of the recent financial market crisis on the Euro Overnight Index Average (EONIA) and interbank market trading and assess the effectiveness of the ECB liquidity policy between 07/2007 - 08/2008. We extend the model of [QM06] by (i) incorporating the microstructure of the EONIA market including the ECB fine-tuning operation on the last day of the maintenance period (MP) and banks’ daily excess liquidity, (ii) giving insight into banks’ trading behavior characterized by an endogenous regime-switch and suggesting an efficient procedure to simulate the entire MP, and (iii) proposing a model for market distortion due to lending constraints which lead to a bid-ask spread for the EONIA rate. The model is calibrated by simulation fitting daily EONIA rates and aggregate liquidity measures observed between March 2004 and September 2008. Besides lending constraints we consider market segmentation and aggregate liquidity shocks as possible market distortions in the crisis period. For a calibration cross-check and for estimating the timing of the endogenous regime-switch we use panel data covering liquidity data of 82 Euro Area commercial banks for the period 03/2003 - 07/2007. With the calibrated model the ECB policy of liquidity frontloading is evaluated and compared with a reserve band system policy similar to the Bank of England’s framework. We find that liquidity frontloading is a small scale central bank intervention which is capable of stabilizing interest rates in both frictionless and distorted markets. Simulations suggest that without frontloading the EONIA would have been, on average, 23 basis points above the policy rate (target); with frontloading, the overnight rate is, on average, on target. JEL Classification: E44, E52, G21

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  • Cassola, Nuno & Huetl, Michael, 2010. "The Euro overnight interbank market and ECB's liquidity management policy during tranquil and turbulent times," Working Paper Series 1247, European Central Bank.
  • Handle: RePEc:ecb:ecbwps:20101247

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    Cited by:

    1. Ronald Heijmans & Lola Hernández & Richard Heuver, 2013. "Determinants of the rate of the Dutch unsecured overnight money market," DNB Working Papers 374, Netherlands Central Bank, Research Department.
    2. Ronald Heijmans & Richard Heuver & Zion Gorgi, 2016. "How to monitor the exit from the Eurosystem's unconventional monetary policy: Is EONIA dead and gone?," DNB Working Papers 504, Netherlands Central Bank, Research Department.
    3. Bucher, Monika & Neyer, Ulrike, 2015. "Der Einfluss des (negativen) Einlagesatzes der EZB auf die Kreditvergabe im Euroraum," DICE Ordnungspolitische Perspektiven 64 [rev.], University of Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    4. repec:cml:moneta:v:iv:y:2016:i:2:p:153-193 is not listed on IDEAS

    More about this item


    liquidity management; Microstructure; Open market operations; Simulation;

    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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