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Myths and Observations on Unconventional Monetary Policy -- Takeaways from Post-Bubble Japan --

Author

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  • Yuto Iwasaki

    (Bank of Japan)

  • Nao Sudo

    (Bank of Japan)

Abstract

Reservations are sometimes raised regarding the effectiveness of unconventional monetary policy (UMP) due to the concerns about influences of impaired financial systems and low policy rates. To see if this is the case, we combine the local projection method of Jorda (2005) with shadow rates to estimate macroeconomic effects of monetary policy shocks during the implementation period of UMP, and test if effects of these shocks with the same magnitude differ across periods or states of the economy, using Japan's data from the 1980s to 2016. We find that monetary policy shocks during the implementation period of the UMP had statistically significant expansionary effects on the economy. We also find that an unexpected 100 basis point cut in shadow rates during the UMP yielded larger expansionary effects on key economic variables than it did during the conventional monetary policy (CMP), because of the following three reasons: (i) A cut in the shadow rates resulted in a larger reduction in the real interest rate, and affected a wider range of borrowing rates during the UMP; (ii) The effectiveness of monetary policy shocks was dampened when the financial system was significantly impaired, particularly during the CMP; (iii) Other things being equal, the effectiveness has been so far little affected by the level of policy rate. Our results show that UMP has been effective, but that the nature of monetary transmission is subject to change depending on financial conditions or other economic circumstances, and therefore monetary policy needs to be carefully implemented. Note also that our study only explores the effects of a one-unit shock to the monetary policy rule, and does not address the entire effects of monetary easing that are affected by the size of shocks as well.

Suggested Citation

  • Yuto Iwasaki & Nao Sudo, 2017. "Myths and Observations on Unconventional Monetary Policy -- Takeaways from Post-Bubble Japan --," Bank of Japan Working Paper Series 17-E-11, Bank of Japan.
  • Handle: RePEc:boj:bojwps:wp17e11
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    References listed on IDEAS

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    Cited by:

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    2. Michael D. Bordo & Pierre Siklos, 2019. "The Transformation and Performance of Emerging Market Economies Across the Great Divide of the Global Financial Crisis," NBER Working Papers 26342, National Bureau of Economic Research, Inc.
    3. Koeda, Junko, 2019. "Macroeconomic effects of quantitative and qualitative monetary easing measures," Journal of the Japanese and International Economies, Elsevier, vol. 52(C), pages 121-141.
    4. Andrew Filardo & Jouchi Nakajima, 2018. "Effectiveness of unconventional monetary policies in a low interest rate environment," BIS Working Papers 691, Bank for International Settlements.
    5. Parantap Basu & Kenji Wada, 2018. "Unconventional Monetary Policy and the Bond Market in Japan: A New-Keynesian Perspective," IMES Discussion Paper Series 18-E-12, Institute for Monetary and Economic Studies, Bank of Japan.

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    More about this item

    Keywords

    Conventional and unconventional monetary policy; Shadow rates;

    JEL classification:

    • F39 - International Economics - - International Finance - - - Other
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation

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