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Supply shocks and the divine coincidence

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  • Kim, Bae-Geun

Abstract

Unlike the conventional view, Blanchard and Gali (2007) point out that supply shocks alone do not create a policy trade-off between stabilizing inflation and stabilizing the output gap. This paper shows that supply shocks can be a natural source of the trade-off by assuming that non-produced inputs are used in fixed proportions with output in the production process. The results can also be generalized to the case when the elasticity of substitution between non-produced inputs and labor is less than unity.

Suggested Citation

  • Kim, Bae-Geun, 2016. "Supply shocks and the divine coincidence," Economics Letters, Elsevier, vol. 145(C), pages 210-213.
    • Handle: RePEc:eee:ecolet:v:145:y:2016:i:c:p:210-213
    DOI: 10.1016/j.econlet.2016.06.018
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    References listed on IDEAS

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    1. Pierpaolo Benigno & Michael Woodford, 2005. "Inflation Stabilization And Welfare: The Case Of A Distorted Steady State," Journal of the European Economic Association, MIT Press, vol. 3(6), pages 1185-1236, December.
    2. Alves, Sergio Afonso Lago, 2014. "Lack of divine coincidence in New Keynesian models," Journal of Monetary Economics, Elsevier, vol. 67(C), pages 33-46.
    3. Mark Gertler & Jordi Gali & Richard Clarida, 1999. "The Science of Monetary Policy: A New Keynesian Perspective," Journal of Economic Literature, American Economic Association, vol. 37(4), pages 1661-1707, December.
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    5. Steinsson, Jon, 2003. "Optimal monetary policy in an economy with inflation persistence," Journal of Monetary Economics, Elsevier, vol. 50(7), pages 1425-1456, October.
    6. Erceg, Christopher J. & Henderson, Dale W. & Levin, Andrew T., 2000. "Optimal monetary policy with staggered wage and price contracts," Journal of Monetary Economics, Elsevier, vol. 46(2), pages 281-313, October.
    7. Susanto Basu, 1996. "Procyclical Productivity: Increasing Returns or Cyclical Utilization?," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 111(3), pages 719-751.
    8. Frank Smets & Rafael Wouters, 2007. "Shocks and Frictions in US Business Cycles: A Bayesian DSGE Approach," American Economic Review, American Economic Association, vol. 97(3), pages 586-606, June.
    9. Mark Gertler & Jordi Gali & Richard Clarida, 1999. "The Science of Monetary Policy: A New Keynesian Perspective," Journal of Economic Literature, American Economic Association, vol. 37(4), pages 1661-1707, December.
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    Cited by:

    1. Buckle, Robert A., 2018. "Thirty years of inflation targeting in New Zealand: The origins, evolution and influence of a monetary policy innovation," Working Paper Series 20927, Victoria University of Wellington, Chair in Public Finance.
    2. Buckle, Robert A., 2018. "Thirty years of inflation targeting in New Zealand: The origins, evolution and influence of a monetary policy innovation," Working Paper Series 8086, Victoria University of Wellington, Chair in Public Finance.
    3. Ulrich Gunter, 2019. "Estimating and forecasting with a two-country DSGE model of the Euro area and the USA: the merits of diverging interest-rate rules," Empirical Economics, Springer, vol. 56(4), pages 1283-1323, April.

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    More about this item

    Keywords

    Supply shocks; Divine coincidence; Substitutability of inputs;
    All these keywords.

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E50 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - General

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