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Monetary policy and commodity price shocks

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  • Silke Tober
  • Tobias Zimmermann

Abstract

This paper analyses the effects of commodity price shocks in a new Keynesian model. The focus is on the central bank's choice of inflation target and the degree of real wage rigidity. It turns out that using core inflation rather than headline inflation is the superior strategy. Targeting expected headline inflation, as practiced by most central banks, is a viable practical alternative to the core inflation target. Simulations illustrate these points. The introduction of real wage rigidity into the model does not change these conclusions. Real wage rigidity does, however, imply second-round effects, making the monetary policy response, the inflation peak and the output drop more pronounced. Although in practice many of the assumptions of the model, such as full information, do not hold, lessons can be drawn for monetary policy. In case of a commodity supply shock, central banks would do well to focus on some measure of core inflation rather than headline inflation so as to reduce the volatility of both inflation and output. A communication strategy that places greater emphasis on underlying and expected inflation could serve to anchor inflation expectations.
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Suggested Citation

  • Silke Tober & Tobias Zimmermann, 2009. "Monetary policy and commodity price shocks," Intereconomics: Review of European Economic Policy, Springer;ZBW - Leibniz Information Centre for Economics;Centre for European Policy Studies (CEPS), vol. 44(4), pages 231-237, July.
    • Handle: RePEc:spr:intere:v:44:y:2009:i:4:p:231-237
    DOI: 10.1007/s10272-009-0300-4
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    Cited by:

    1. Silke Tober, 2011. "Makroökonomische Politik zur Bewältigung der Krise im Euroraum: Die Rolle Deutschlands," Wirtschaft und Gesellschaft - WuG, Kammer für Arbeiter und Angestellte für Wien, Abteilung Wirtschaftswissenschaft und Statistik, vol. 37(1), pages 51-68.
    2. Roseline Nyakerario Misati & Esman Morekwa Nyamongo & Isaac Mwangi, 2013. "Commodity price shocks and inflation in a net oil-importing economy," OPEC Energy Review, Organization of the Petroleum Exporting Countries, vol. 37(2), pages 125-148, June.
    3. Jorge Fornero & Markus Kirchner & Andrés Yany, 2015. "Terms of Trade Shocks and Investment in Commodity-Exporting Economies," Central Banking, Analysis, and Economic Policies Book Series, in: Rodrigo Caputo & Roberto Chang (ed.),Commodity Prices and Macroeconomic Policy, edition 1, volume 22, chapter 5, pages 135-193, Central Bank of Chile.
    4. Döhrn, Roland & Barabas, György & Blagov, Boris & Fuest, Angela & Gebhardt, Heinz & Jäger, Philipp & Micheli, Martin & Rujin, Svetlana, 2017. "Die wirtschaftliche Entwicklung im Inland: Konjunktur weiter von Binnenwirtschaft getragen," RWI Konjunkturberichte, RWI - Leibniz-Institut für Wirtschaftsforschung, vol. 68(1), pages 33-91.
    5. repec:clr:wugarc:y:2011:v:37i:1p:51 is not listed on IDEAS
    6. Döhrn, Roland & Barabas, György & Fuest, Angela & Gebhardt, Heinz & Micheli, Martin & Rujin, Svetlana & Zwick, Lina, 2016. "Die wirtschaftliche Entwicklung im Inland: In schwierigem Fahrwasser," RWI Konjunkturberichte, RWI - Leibniz-Institut für Wirtschaftsforschung, vol. 67(1), pages 37-110.

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