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Estimating the New Keynesian Phillips Curve: A Vertical Production Chain Approach

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  • ADAM HALE SHAPIRO

Abstract

It has become customary to estimate the New Keynesian Phillips Curve (NKPC) with generalized method of moments using a large instrument set that includes lags of variables that are ad hoc to the firm's price-decision problem. Researchers have also conventionally used real unit labor cost (RULC) as the proxy for real marginal cost even though it is difficult to support its significance. This paper introduces a new proxy for the real marginal cost term as well as a new instrument set, both of which are based on the micro foundations of the vertical chain of production. I find that the new proxy, based on input prices as opposed to wages, provides a more robust and significant fit to the model. Instruments that are based on the vertical chain of production appear to be both more valid and relevant toward the model. Copyright (c) 2008 The Ohio State University.

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  • Adam Hale Shapiro, 2008. "Estimating the New Keynesian Phillips Curve: A Vertical Production Chain Approach," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 40(4), pages 627-666, June.
    • Handle: RePEc:mcb:jmoncb:v:40:y:2008:i:4:p:627-666
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    Cited by:

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    2. William Barnett & Evgeniya Duzhak, 2010. "Empirical assessment of bifurcation regions within New Keynesian models," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 45(1), pages 99-128, October.
    3. Sophocles Mavroeidis & Mikkel Plagborg-Møller & James H. Stock, 2014. "Empirical Evidence on Inflation Expectations in the New Keynesian Phillips Curve," Journal of Economic Literature, American Economic Association, vol. 52(1), pages 124-188, March.
    4. Goyal, Ashima & Tripathi, Shruti, 2015. "Separating shocks from cyclicality in Indian aggregate supply," Journal of Asian Economics, Elsevier, vol. 38(C), pages 93-103.
    5. Balfoussia, Hiona & Brissimis, Sophocles & Delis, Manthos D, 2011. "The theoretical framework of monetary policy revisited," MPRA Paper 32236, University Library of Munich, Germany.
    6. Yoshibumi Makabe & Yosuke Matsumoto & Wataru Hirata, 2023. "Estimating Pipeline Pressures in New Keynesian Phillips Curves: A Bayesian VAR-GMM Approach," Bank of Japan Working Paper Series 23-E-13, Bank of Japan.
    7. Inoue, Atsushi & Rossi, Barbara, 2011. "Testing for weak identification in possibly nonlinear models," Journal of Econometrics, Elsevier, vol. 161(2), pages 246-261, April.
    8. Adam Hale Shapiro, 2018. "Has Inflation Sustainably Reached Target?," FRBSF Economic Letter, Federal Reserve Bank of San Francisco.
    9. Yhlas SOVBETOV & Muhittin KAPLAN, 2019. "Empirical examination of the stability of expectations – Augmented Phillips Curve for developing and developed countries," Theoretical and Applied Economics, Asociatia Generala a Economistilor din Romania / Editura Economica, vol. 0(2(619), S), pages 63-78, Summer.
    10. Abe Dunn & Adam Hale Shapiro, 2011. "Physician Market Power and Medical-Care Expenditures," BEA Working Papers 0078, Bureau of Economic Analysis.
    11. David Backus & Mikhail Chernov & Stanley Zin, 2013. "Identifying Taylor Rules in Macro-finance Models," Working Papers 13-12, New York University, Leonard N. Stern School of Business, Department of Economics.
    12. Gwin, Carl R. & VanHoose, David D., 2008. "Alternative measures of marginal cost and inflation in estimations of new Keynesian inflation dynamics," Journal of Macroeconomics, Elsevier, vol. 30(3), pages 928-940, September.
    13. Wong, Chin-Yoong & Eng, Yoke-Kee, 2010. "Vertically globalized production structure in New Keynesian Phillips curve," The North American Journal of Economics and Finance, Elsevier, vol. 21(2), pages 198-216, August.
    14. Régis Barnichon & Adam Hale Shapiro, 2022. "What’s the Best Measure of Economic Slack?," FRBSF Economic Letter, Federal Reserve Bank of San Francisco, vol. 2022(04), pages 1-05, February.

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