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Robust Monetary Policy with the Cost Channel

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  • PETER TILLMANN

Abstract

Recent research argues that model uncertainty leads the central bank to adjust interest rates stronger to exogenous disturbances than under certainty. This paper investigates whether the introduction of a cost channel of monetary transmission, whose presence is empirically supported, changes the impact of model uncertainty on interest rate setting. The model is simple enough to facilitate an analytical solution. I find that the presence of the cost channel dampens the effect of model uncertainty on interest rate setting and can offset the activist policy stance. A richer model that allows for persistent supply and demand shocks corroborates these findings.

Suggested Citation

  • Peter Tillmann, 2009. "Robust Monetary Policy with the Cost Channel," Economica, London School of Economics and Political Science, vol. 76(303), pages 486-504, July.
    • Handle: RePEc:bla:econom:v:76:y:2009:i:303:p:486-504
    DOI: 10.1111/j.1468-0335.2008.00697.x
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    1. Giordani, Paolo & Soderlind, Paul, 2004. "Solution of macromodels with Hansen-Sargent robust policies: some extensions," Journal of Economic Dynamics and Control, Elsevier, vol. 28(12), pages 2367-2397, December.
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    10. Ravenna, Federico & Walsh, Carl E., 2006. "Optimal monetary policy with the cost channel," Journal of Monetary Economics, Elsevier, vol. 53(2), pages 199-216, March.
    11. Giannoni, Marc P., 2002. "Does Model Uncertainty Justify Caution? Robust Optimal Monetary Policy In A Forward-Looking Model," Macroeconomic Dynamics, Cambridge University Press, vol. 6(1), pages 111-144, February.
    12. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
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    Cited by:

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    2. Kantur, Zeynep & Özcan, Gülserim, 2019. "Optimal Policy Implications of Financial Uncertainty," MPRA Paper 95920, University Library of Munich, Germany.
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    4. Ida, Daisuke & Okano, Mitsuhiro, 2023. "Optimal monetary policy delegation in a small-open new Keynesian model with robust control," Economic Modelling, Elsevier, vol. 120(C).
    5. Sylvia Kaufmann & Johann Scharler, 2009. "Bank-Lending Standards, the Cost Channel and Inflation Dynamics," Economics working papers 2009-16, Department of Economics, Johannes Kepler University Linz, Austria.
    6. Meixing Dai & Qiao Zhang, 2017. "Central bank transparency under the cost channel," International Finance, Wiley Blackwell, vol. 20(2), pages 189-209, June.
    7. Araújo, Eurilton, 2013. "Robust monetary policy with the consumption-wealth channel," Journal of Economic Dynamics and Control, Elsevier, vol. 37(1), pages 296-311.
    8. Gerke, Rafael & Hammermann, Felix & Lewis, Vivien, 2012. "Robust monetary policy in a model with financial distress," Journal of Macroeconomics, Elsevier, vol. 34(2), pages 318-325.
    9. Kohei Hasui, 2021. "How robustness can change the desirability of speed limit policy," Scottish Journal of Political Economy, Scottish Economic Society, vol. 68(5), pages 553-570, November.
    10. Hasui, Kohei, 2020. "A Note On Robust Monetary Policy And Non-Zero Trend Inflation," Macroeconomic Dynamics, Cambridge University Press, vol. 24(6), pages 1574-1594, September.
    11. Ida, Daisuke & Kaminoyama, Kenichi, 2024. "Effect of a cost channel on monetary policy transmission in a behavioral New Keynesian model," MPRA Paper 120424, University Library of Munich, Germany.
    12. Malikane, Christopher, 2012. "Inflation dynamics and the cost channel in emerging markets," MPRA Paper 42688, University Library of Munich, Germany.
    13. Ramzi Drissi, 2014. "Robust Monetary Policy in An Uncertain Economic Environment: Evidence from Tunisian Economy," Asian Economic and Financial Review, Asian Economic and Social Society, vol. 4(7), pages 969-986, July.
    14. Meixing Dai & Qiao Zhang, 2013. "Central bank transparency with the cost channel," Working Papers of BETA 2013-06, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
    15. Hasui Kohei, 2021. "Trend Growth and Robust Monetary Policy," The B.E. Journal of Macroeconomics, De Gruyter, vol. 21(2), pages 449-472, June.

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