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The Estimation of the New Keynesian Phillips Curve in Japan and Its Implication for the Inflation Response to a Monetary Policy Shock

Author

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  • Masahiko Shibamoto

    (Research Institute for Economics & Business Administration (RIEB), Kobe University, Japan)

Abstract

The New Keynesian Phillips Curve (NKPC) is a key building block in many modern macroeconomic models. This study assesses the empirical fit of the NKPC in Japan by estimating a variety of its specifications. Some empirical results suggest that introducing nominal interest rates into the pure forward-looking NKPC, which implies the existence of a cost channel for monetary policy, helps improve their ability to explain Japanese inflation dynamics. In addition to the existence of the cost channel for monetary policy, these results show that the use of labor share (real unit labor costs) is an important factor in estimating the NKPC. As an implication of these findings, this study proposes that, in the context of the New Keynesian economics, both the existence of the cost channel for monetary policy and the sluggish adjustment of real unit labor costs can account for the fact that there is a long time lag between a monetary policy shock and its impact on inflation.

Suggested Citation

  • Masahiko Shibamoto, 2009. "The Estimation of the New Keynesian Phillips Curve in Japan and Its Implication for the Inflation Response to a Monetary Policy Shock," Discussion Paper Series 235, Research Institute for Economics & Business Administration, Kobe University.
    • Handle: RePEc:kob:dpaper:235
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    File URL: https://www.rieb.kobe-u.ac.jp/academic/ra/dp/English/dp235.pdf
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    References listed on IDEAS

    as
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    5. Ichiro Muto, 2009. "Estimating A New Keynesian Phillips Curve With A Corrected Measure Of Real Marginal Cost: Evidence In Japan," Economic Inquiry, Western Economic Association International, vol. 47(4), pages 667-684, October.
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    More about this item

    Keywords

    New Keynesian Phillips Curve; Cost Channel of Monetary Policy; Inflation Responses to a Monetary Policy Shock;
    All these keywords.

    JEL classification:

    • C3 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables
    • E3 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit

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