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Does the ECB Rely on a Taylor Rule?: Comparing Ex-post with Real Time Data

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  • Ansgar Belke
  • Jens Klose

Abstract

We assess the differences that emerge in Taylor rule estimations for the ECB when using ex-post data instead of real time forecasts and vice versa. We argue that previous comparative studies in this field mixed up two separate effects. First, the differences resulting from the use of ex-post and real time data per se and, second, the differences emerging from the use of non-modified real time data instead of real-time data based forecasted values and vice versa. Since both effects can influence the reaction to inflation and the output gap either way, we use a more clear-cut approach to disentangle the partial effects. Our estimation results indicate that using real time instead of ex post data leads to higher estimated inflation coefficients while the opposite is true for the output gap coefficients. If real time data forecasts for the current period are used (since actual data become available with a lag), this empirical pattern is even strengthened in the sense of even increasing the inflation response but lowering the reaction to the output gap while the reverse is true if "true" forecasts of real time data for several periods are employed.

Suggested Citation

  • Ansgar Belke & Jens Klose, 2009. "Does the ECB Rely on a Taylor Rule?: Comparing Ex-post with Real Time Data," Discussion Papers of DIW Berlin 917, DIW Berlin, German Institute for Economic Research.
  • Handle: RePEc:diw:diwwpp:dp917
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Jens Klose, 2012. "Political business cycles and monetary policy revisited–an application of a two-dimensional asymmetric Taylor reaction function," International Economics and Economic Policy, Springer, vol. 9(3), pages 265-295, September.
    2. Aleksandra Halka, 2016. "How the central bank’s reaction function in small open economies evolved during the crisis," Bank i Kredyt, Narodowy Bank Polski, vol. 47(4), pages 301-318.
    3. Treu, Johannes, 2010. "Der Taylor-Zins und die europäische Geldpolitik 1999 - 2009," Wirtschaftswissenschaftliche Diskussionspapiere 03/2010, University of Greifswald, Faculty of Law and Economics.
    4. repec:cbu:jrnlec:y:2011:v:1:p:17-28 is not listed on IDEAS
    5. Jens Klose, 2011. "Political Business Cycles and Monetary Policy Revisited – An Application of a Two-Dimensional Asymmetric Taylor Reaction Function," Ruhr Economic Papers 0286, Rheinisch-Westfälisches Institut für Wirtschaftsforschung, Ruhr-Universität Bochum, Universität Dortmund, Universität Duisburg-Essen.
    6. repec:zbw:rwirep:0286 is not listed on IDEAS
    7. Aleksandra Halka, 2015. "Lessons from the crisis.Did central banks do their homework?," NBP Working Papers 224, Narodowy Bank Polski, Economic Research Department.
    8. Ansgar Belke & Jens Klose, 2010. "(How) Do the ECB and the Fed React to Financial Market Uncertainty? – The Taylor Rule in Times of Crisis," Ruhr Economic Papers 0166, Rheinisch-Westfälisches Institut für Wirtschaftsforschung, Ruhr-Universität Bochum, Universität Dortmund, Universität Duisburg-Essen.
    9. Ansgar Belke & Jens Klose, 2010. "(How) Do the ECB and the Fed React to Financial Market Uncertainty?: The Taylor Rule in Times of Crisis," Discussion Papers of DIW Berlin 972, DIW Berlin, German Institute for Economic Research.
    10. Ansgar Rannenberg, 2010. "The Taylor principle and (in-)determinacy in a New Keynesian model with hiring frictions and skill loss," Working Paper Research 208, National Bank of Belgium.
    11. Cleomar Gomes da silva & Flavio V. Vieira, 2016. "Monetary policy decision making: the role of ideology, institutions and central bank independence," Economics Bulletin, AccessEcon, vol. 36(4), pages 2051-2062.
    12. repec:zbw:rwirep:0166 is not listed on IDEAS
    13. Diercks, Anthony M., 2015. "The Equity Premium, Long-Run Risk, & Optimal Monetary Policy," Finance and Economics Discussion Series 2015-87, Board of Governors of the Federal Reserve System (U.S.).

    More about this item

    Keywords

    European Central Bank; monetary policy; real time data; Taylor rule;

    JEL classification:

    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies

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