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

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  • Hilberg, Björn
  • Hollmayr, Josef
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    Abstract

    In this paper we set up a New-Keynesian model with a heterogenous banking sector to analyze liquidity problems on the interbank market. The presence of an interbank market is essential to consider a situation where an increased liquidity supply by the central bank is only partially passed on to the interbank market. Moreover, this framework allows us to examine the implications of an unconventional monetary policy tool modeled as a haircut rule applied to eligible assets in repurchase agreements ('Repos') on the interbank market. We can show that this tool is suited to bring down the interest rate charged among banks on the interbank market. Furthermore an exogenous bubble process is modeled to evaluate the effects of the haircut rule for a central bank which decides to implement a 'leaning-against-the- wind'-policy. Finally, we analyze the long-run consequences of reacting to asset price movements and examine the effects of different exit strategies. We find that the central bank can stabilize all variables at the cost of higher inflation and that macroeconomic volatility is smallest if the central bank communicates the exit date in advance and credibly commits to it. --

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    Bibliographic Info

    Paper provided by Deutsche Bundesbank, Research Centre in its series Discussion Papers with number 36/2013.

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    Date of creation: 2013
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    Handle: RePEc:zbw:bubdps:362013

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    Related research

    Keywords: New-Keynesian Model; Monetary Policy; Business Cycle; Collateral; Haircuts;

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    1. Alejandro Justiniano & Giorgio E. Primiceri & Andrea Tambalotti, 2009. "Investment Shocks and Business Cycles," NBER Working Papers 15570, National Bureau of Economic Research, Inc.
    2. Gertler, Mark & Karadi, Peter, 2011. "A model of unconventional monetary policy," Journal of Monetary Economics, Elsevier, vol. 58(1), pages 17-34, January.
    3. Vasco Curdia & Michael Woodford, 2010. "The Central-Bank Balance Sheet as an Instrument of Monetary Policy," NBER Working Papers 16208, National Bureau of Economic Research, Inc.
    4. Gregory DE WALQUE & Olivier PIERRARD & Abdelaziz ROUABAH, 2009. "Financial (in)stability, supervision and liquidity injections : a dynamic general equilibrium approach," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2009006, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
    5. Tobias Adrian & Hyun Song Shin, 2009. "Money, liquidity, and monetary policy," Staff Reports 360, Federal Reserve Bank of New York.
    6. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
    7. John Moore & Nobuhiro Kiyotaki, . "Credit Cycles," Discussion Papers 1995-5, Edinburgh School of Economics, University of Edinburgh.
    8. Andrea Gerali & Stefano Neri & Luca Sessa & Federico M. Signoretti, 2010. "Credit and Banking in a DSGE Model of the Euro Area," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 42(s1), pages 107-141, 09.
    9. Giorgio E. Primiceri, 2005. "Time Varying Structural Vector Autoregressions and Monetary Policy," Review of Economic Studies, Oxford University Press, vol. 72(3), pages 821-852.
    10. Xavier Freixas & José Jorge, 2007. "The role of interbank markets in monetary policy: A model with rationing," Economics Working Papers 1027, Department of Economics and Business, Universitat Pompeu Fabra, revised Apr 2008.
    11. Ian Christensen & Ali Dib, 2008. "The Financial Accelerator in an Estimated New Keynesian Model," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 11(1), pages 155-178, January.
    12. Matteo Iacoviello, 2002. "House prices, borrowing constraints and monetary policy in the business cycle," Boston College Working Papers in Economics 542, Boston College Department of Economics, revised 06 Dec 2004.
    13. Borgy, V. & Laubach, T. & Mésonnier, J-S. & Renne, J-P., 2011. "Fiscal Sustainability, Default Risk and Euro Area Sovereign Bond Spreads Markets," Working papers 350, Banque de France.
    14. Eisenschmidt, Jens & Tapking, Jens, 2009. "Liquidity risk premia in unsecured interbank money markets," Working Paper Series 1025, European Central Bank.
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