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An Exchange Rate Floor as an Instrument of Monetary Policy: An Ex-post Assessment of the Czech Experience

Author

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  • Jan Bruha
  • Jaromir Tonner

Abstract

In November 2013 the Czech National Bank introduced a floor for the Czech koruna exchange rate as its monetary policy instrument. The rationale for this action was to prevent the risk of deflation in a zero-lower-bound environment where policy rates could not be lowered any further. The goal of this paper is to assess ex post the effect of the exchange rate floor on the Czech economy - inflation and the main real aggregates. The paper uses two different approaches. First, the official DSGE forecasting model is used to simulate the counterfactual macroeconomic dynamics of no introduction of a floor. Second, the paper applies an empirical approach: the synthetic control method and its generalised variant are used to estimate these counterfactual trajectories. Both approaches show that the floor prevented inflation from turning negative. Moreover, both methods indicate likely positive effects on macro variables and on various measures of inflation, although strongly statistically significant effects are only obtained for core inflation. The statistical significance for other variables is weaker or zero. We conclude that the introduction of the exchange rate floor was a correct policy action that has retrospectively been successful.

Suggested Citation

  • Jan Bruha & Jaromir Tonner, 2017. "An Exchange Rate Floor as an Instrument of Monetary Policy: An Ex-post Assessment of the Czech Experience," Working Papers 2017/04, Czech National Bank.
  • Handle: RePEc:cnb:wpaper:2017/04
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    References listed on IDEAS

    as
    1. Jushan Bai, 2013. "Fixed‐Effects Dynamic Panel Models, a Factor Analytical Method," Econometrica, Econometric Society, vol. 81(1), pages 285-314, January.
    2. Michal Andrle & Jan Bruha & Serhat Solmaz, 2016. "Output and Inflation Co-movement; An Update on Business-Cycle Stylized Facts," IMF Working Papers 16/241, International Monetary Fund.
    3. repec:eee:moneco:v:92:y:2017:i:c:p:47-63 is not listed on IDEAS
    4. repec:fau:fauart:v:67:y:2017:i:6:p:539-577 is not listed on IDEAS
    5. Jess Benhabib & Stephanie Schmitt-Grohe & Martin Uribe, 2002. "Avoiding Liquidity Traps," Journal of Political Economy, University of Chicago Press, vol. 110(3), pages 535-563, June.
    6. Francesca Caselli, 2017. "Did the Exchange Rate Floor Prevent Deflation in the Czech Republic?," Review of Economics and Institutions, Università di Perugia, vol. 8(2).
    7. Jan Bruha & Tibor Hledik & Tomas Holub & Jiri Polansky & Jaromir Tonner, 2013. "Incorporating Judgments and Dealing with Data Uncertainty in Forecasting at the Czech National Bank," Research and Policy Notes 2013/02, Czech National Bank.
    8. Michal Andrle & Tibor Hledik & Ondra Kamenik & Jan Vlcek, 2009. "Implementing the New Structural Model of the Czech National Bank," Working Papers 2009/2, Czech National Bank.
    9. Matej Opatrny, 2017. "Quantifying the Effects of the CNB's Exchange Rate Commitment: A Synthetic Control Method Approach," Czech Journal of Economics and Finance (Finance a uver), Charles University Prague, Faculty of Social Sciences, vol. 67(6), pages 539-577, October.
    10. Michal Franta & Tomas Holub & Petr Kral & Ivana Kubicova & Katerina Smidkova & Borek Vasicek, 2014. "The Exchange Rate as an Instrument at Zero Interest Rates: The Case of the Czech Republic," Research and Policy Notes 2014/03, Czech National Bank.
    11. Nikolay Doudchenko & Guido W. Imbens, 2016. "Balancing, Regression, Difference-In-Differences and Synthetic Control Methods: A Synthesis," NBER Working Papers 22791, National Bureau of Economic Research, Inc.
    12. Jaromir Tonner & Stanislav Tvrz & Osvald Vasicek, 2015. "Labour Market Modelling within a DSGE Approach," Working Papers 2015/06, Czech National Bank.
    13. Jan Bruha & Jaromir Tonner, 2018. "An Exchange Rate Floor as an Instrument of Monetary Policy: An Ex-Post Assessment of the Czech Experience," Czech Journal of Economics and Finance (Finance a uver), Charles University Prague, Faculty of Social Sciences, vol. 68(6), pages 537-549, December.
    14. Michal Andrle & Jan Bruha & Serhat Solmaz, 2013. "Inflation and Output Comovement in the Euro Area; Love at Second Sight?," IMF Working Papers 13/192, International Monetary Fund.
    15. Michal Franta & Tomas Holub & Branislav Saxa, 2018. "Balance Sheet Implications of the Czech National Bank's Exchange Rate Commitment," Working Papers 2018/10, Czech National Bank.
    16. Xu, Yiqing, 2017. "Generalized Synthetic Control Method: Causal Inference with Interactive Fixed Effects Models," Political Analysis, Cambridge University Press, vol. 25(01), pages 57-76, January.
    17. Abadie, Alberto & Diamond, Alexis & Hainmueller, Jens, 2010. "Synthetic Control Methods for Comparative Case Studies: Estimating the Effect of California’s Tobacco Control Program," Journal of the American Statistical Association, American Statistical Association, vol. 105(490), pages 493-505.
    18. Frantisek Brazdik & Jan Bruha & Michal Franta & David Havrlant & Tibor Hledik & Tomas Holub & Zuzana Humplova & Frantisek Kopriva & Jiri Polansky & Marek Rusnak & Jaromir Tonner, 2015. "Forecasting," Occasional Publications - Edited Volumes, Czech National Bank, edition 1, volume 13, number rb13/1 edited by Jan Babecky & Kamil Galuscak.
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    Citations

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    Cited by:

    1. Jan Bruha & Jaromir Tonner, 2018. "Independent Monetary Policy Versus a Common Currency: A Macroeconomic Analysis for the Czech Republic Through the Lens of an Applied DSGE Model," Working Papers 2018/19, Czech National Bank.
    2. Dominika Kolcunova & Tomas Havranek, 2018. "Estimating the Effective Lower Bound on the Czech National Bank’s Policy Rate," Czech Journal of Economics and Finance (Finance a uver), Charles University Prague, Faculty of Social Sciences, vol. 68(6), pages 550-577, December.
    3. repec:beo:ekidpr:y:2018:i:31:p:41-57 is not listed on IDEAS
    4. Jan Bruha & Jaromir Tonner, 2018. "An Exchange Rate Floor as an Instrument of Monetary Policy: An Ex-Post Assessment of the Czech Experience," Czech Journal of Economics and Finance (Finance a uver), Charles University Prague, Faculty of Social Sciences, vol. 68(6), pages 537-549, December.
    5. repec:pia:review:v:8:y:2017:i:2:n:1 is not listed on IDEAS
    6. repec:prg:jnlpol:v:2018:y:2018:i:6:id:1221:p:751-775 is not listed on IDEAS
    7. repec:cnb:ocpubv:as17 is not listed on IDEAS
    8. Michal Franta & Tomas Holub & Branislav Saxa, 2018. "Balance Sheet Implications of the Czech National Bank's Exchange Rate Commitment," Working Papers 2018/10, Czech National Bank.
    9. David Svacina, 2018. "Devaluation with Exchange rate Floor in a Small Open Economy," Working Papers IES 2018/06, Charles University Prague, Faculty of Social Sciences, Institute of Economic Studies, revised Feb 2018.
    10. Lukas Pfeifer & Martin Hodula & Libor Holub & Zdenek Pikhart, 2018. "The Leverage Ratio and Its Impact on Capital Regulation," Working Papers 2018/15, Czech National Bank.
    11. Francesca Caselli, 2017. "Did the Exchange Rate Floor Prevent Deflation in the Czech Republic?," Review of Economics and Institutions, Università di Perugia, vol. 8(2).

    More about this item

    Keywords

    DSGE modelling; exchange rate policy; monetary policy in a zero interest rate environment; synthetic control method;

    JEL classification:

    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • F47 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Forecasting and Simulation: Models and Applications

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