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Assessing the economy-wide effects of quantitative easing

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Author Info

  • Kapetanios, George

    () (Queen Mary, University of London)

  • Mumtaz, Haroon

    () (Bank of England)

  • Stevens, Ibrahim

    () (Bank of England)

  • Theodoridis, Konstantinos

    () (Bank of England)

Abstract

This paper examines the macroeconomic impact of the first round of quantitative easing (QE) by the Bank of England which started in March 2009. Although Bank Rate, the UK policy rate, was reduced to ½%, effectively its lower bound, the Bank’s Monetary Policy Committee felt that additional measures were necessary to meet the inflation target in the medium term. The policy of QE entailed buying private and mainly public assets in large quantities using central bank money, with the aim of injecting money into the economy and boosting nominal spending, in order to help achieve the Bank’s inflation target. Over the period from March 2009 to January 2010, the Bank of England purchased £200 billion of assets, mainly consisting of government securities. We attempt to quantify the effects of these purchases by focusing on the impact of lower long-term interest rates on the wider economy. This is motivated by empirical evidence indicating that QE purchases reduced long-term UK government bond yields by about 100 basis points. Other transmission channels are also possible, but are not considered in this paper. We use three different models to conduct counterfactual simulations to estimate the impact of QE on output and inflation: a large Bayesian VAR; a change-point structural VAR; and a time-varying parameter VAR. Our preferred average estimates from the three models suggest that QE may have had a peak effect on the level of real GDP of around 1½% and a peak effect on annual CPI inflation of about 1¼ percentage points. These estimates are shown to vary considerably across the different model specifications, and with the precise assumptions made to generate the counterfactual simulations, and are therefore subject to considerable uncertainty.

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Bibliographic Info

Paper provided by Bank of England in its series Bank of England working papers with number 443.

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Length: 45 pages
Date of creation: 27 Jan 2012
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Handle: RePEc:boe:boeewp:0443

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Related research

Keywords: Bayesian methods; large-scale asset purchases; quantitative easing; vector autoregressions;

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References

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  1. Cúrdia, Vasco & Woodford, Michael, 2009. "Conventional and Unconventional Monetary Policy," CEPR Discussion Papers 7514, C.E.P.R. Discussion Papers.
  2. Marta Banbura & Domenico Giannone & Lucrezia Reichlin, 2010. "Large Bayesian vector auto regressions," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 25(1), pages 71-92.
  3. Yacine Aït-Sahalia & Jochen Andritzky & Andreas Jobst & Sylwia Nowak & Natalia Tamirisa, 2010. "Market Response to Policy Initiatives during the Global Financial Crisis," NBER Working Papers 15809, National Bureau of Economic Research, Inc.
  4. Bauwens, Luc & Lubrano, Michel & Richard, Jean-Francois, 2000. "Bayesian Inference in Dynamic Econometric Models," OUP Catalogue, Oxford University Press, number 9780198773139, August.
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  1. On QE
    by chris dillow in Stumbling and Mumbling on 2012-02-06 15:06:45

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