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Asset prices, collateral and unconventional monetary policy in a DSGE model

Author

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  • Hilberg, Björn
  • Hollmayr, Josef

Abstract

In this paper we set up a New-Keynesian model that features an interbank market. The introduction of an interbank market is important to analyze liquidity problems among heterogenous agents within the financial sector. First, because this allows for a situation where increased liquidity supply by the central bank is only partially passed on to the interbank market. Second, this framework allows us to analyze one additional policy measure besides the common interest rate policy undertaken by central banks to alleviate the liquidity shortage on the interbank market. Namely haircuts on eligible assets in repurchase agreements (“Repos”). By varying haircuts applied to securities that serve as collateral in repurchase agreements the stress on the interbank market can be mitigated by bringing down the interest rate charged among banks. Furthermore an exogenous bubble process is modeled which enables us to examine the effects of a deviation of the market price of capital from its fundamental price. This leads to a discussion whether central banks should ”lean against the wind”, i.e. react to deviations of asset prices in the setting of their policy instrument. Finally, this paper tries to shed some light on the “exit strategy” that a central bank should follow after the asset price bubble bursted and the interbank market begins to work properly again. JEL Classification: E4, E5, E61, G21

Suggested Citation

  • Hilberg, Björn & Hollmayr, Josef, 2011. "Asset prices, collateral and unconventional monetary policy in a DSGE model," Working Paper Series 1373, European Central Bank.
  • Handle: RePEc:ecb:ecbwps:20111373
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    References listed on IDEAS

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    1. Bernanke, Ben S. & Gertler, Mark & Gilchrist, Simon, 1999. "The financial accelerator in a quantitative business cycle framework," Handbook of Macroeconomics,in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 21, pages 1341-1393 Elsevier.
    2. Christiano, Lawrence & Motto, Roberto & Rostagno, Massimo, 2008. "Shocks, structures or monetary policies? The Euro Area and US after 2001," Journal of Economic Dynamics and Control, Elsevier, vol. 32(8), pages 2476-2506, August.
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    4. Adam Ashcraft & Nicolae Gârleanu & Lasse Heje Pedersen, 2011. "Two Monetary Tools: Interest Rates and Haircuts," NBER Chapters,in: NBER Macroeconomics Annual 2010, Volume 25, pages 143-180 National Bureau of Economic Research, Inc.
    5. Christiano, Lawrence & Motto, Roberto & Rostagno, Massimo, 2007. "Shocks, structures or monetary policies? The euro area and US after 2001," Working Paper Series 774, European Central Bank.
    6. Xavier Freixas & José Jorge, 2008. "The Role of Interbank Markets in Monetary Policy: A Model with Rationing," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 40(6), pages 1151-1176, September.
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    8. Angeloni, Ignazio & Faia, Ester & Winkler, Roland, 2014. "Exit strategies," European Economic Review, Elsevier, vol. 70(C), pages 231-257.
    9. Schabert, Andreas, 2015. "Optimal central bank lending," Journal of Economic Theory, Elsevier, vol. 157(C), pages 485-516.
    10. Cúrdia, Vasco & Woodford, Michael, 2011. "The central-bank balance sheet as an instrument of monetarypolicy," Journal of Monetary Economics, Elsevier, vol. 58(1), pages 54-79, January.
    11. Tobias Adrian & Hyun Song Shin, 2009. "Money, Liquidity, and Monetary Policy," American Economic Review, American Economic Association, vol. 99(2), pages 600-605, May.
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    Citations

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    Cited by:

    1. Blattner, Tobias & Swarbrick, Jonathan, 2017. "Monetary policy and cross-border interbank market fragmentation: lessons from the crisis," EconStor Preprints 157881, ZBW - German National Library of Economics.
    2. Szabolcs Deák & Lionel Fontagné & Marco Maffezzoli & Massimiliano Marcellino, 2012. "The banking and distribution sectors in a small open economy DSGE Model," RSCAS Working Papers 2012/53, European University Institute.
    3. Gerba, Eddie, 2013. "Reconnecting investment to stock markets: the role of corporate net worth evaluation," LSE Research Online Documents on Economics 56396, London School of Economics and Political Science, LSE Library.
    4. Federico Lubello & Abdelaziz Rouabah, 2017. "Capturing macroprudential regulation effectiveness: A DSGE approach with shadow intermediaries," BCL working papers 114, Central Bank of Luxembourg.
    5. repec:ehl:lserod:56407 is not listed on IDEAS
    6. Gerba, Eddie, 2015. "Have the US macro-financial linkages changed? The balance sheet dimension," LSE Research Online Documents on Economics 59886, London School of Economics and Political Science, LSE Library.
    7. Gieck, Jana, 2014. "Unconventional monetary policy in an open economy," Discussion Papers 41/2014, Deutsche Bundesbank.

    More about this item

    Keywords

    collateral; DSGE; exit strategy; haircuts; monetary policy;

    JEL classification:

    • E4 - Macroeconomics and Monetary Economics - - Money and Interest Rates
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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