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Cost Channel, Interest Rate Pass-Through and Optimal Policy under Zero Lower Bound

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  • Chattopadhyay, Siddhartha
  • Ghosh, Taniya

Abstract

This paper analyzes optimal monetary policy under zero lower bound in the presence of cost channel. Cost channel introduces trade-off between output and inflation when economy is out of ZLB. As a result, exit time both under discretion and commitment is endogenous in the presence of cost channel. We also find that commitment outperforms discretion by promising future boom and inflation and a T-only policy closely replicates commitment both under presence and absence of cost channel. Moreover, the exit date (from ZLB) under discretion, commitment and T-only policy rises with the magnitude of demand shock given the degree of interest rate pass-through irrespective if the cost channel is present. We also show that, while exit date both under discretion and T-only policy rises with the degree of interest rate pass-through/credit market imperfection, it falls under commitment given demand shock.

Suggested Citation

  • Chattopadhyay, Siddhartha & Ghosh, Taniya, 2016. "Cost Channel, Interest Rate Pass-Through and Optimal Policy under Zero Lower Bound," MPRA Paper 72762, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:72762
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    File URL: https://mpra.ub.uni-muenchen.de/72762/1/MPRA_paper_72762.pdf
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    References listed on IDEAS

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    1. Adam, Klaus & Billi, Roberto M., 2006. "Optimal Monetary Policy under Commitment with a Zero Bound on Nominal Interest Rates," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 38(7), pages 1877-1905, October.
    2. Anton Nakov, 2008. "Optimal and Simple Monetary Policy Rules with Zero Floor on the Nominal Interest Rate," International Journal of Central Banking, International Journal of Central Banking, vol. 4(2), pages 73-127, June.
    3. Eurilton Araujo, 2009. "Supply-side effects of monetary policy and the central bank's objective function," Economics Bulletin, AccessEcon, vol. 29(2), pages 680-692.
    4. Adam, Klaus & Billi, Roberto M., 2007. "Discretionary monetary policy and the zero lower bound on nominal interest rates," Journal of Monetary Economics, Elsevier, vol. 54(3), pages 728-752, April.
    5. Chowdhury, Ibrahim & Hoffmann, Mathias & Schabert, Andreas, 2006. "Inflation dynamics and the cost channel of monetary transmission," European Economic Review, Elsevier, vol. 50(4), pages 995-1016, May.
    6. repec:ijc:ijcjou:y:2018:q:4:a:1 is not listed on IDEAS
    7. Jung, Taehun & Teranishi, Yuki & Watanabe, Tsutomu, 2005. "Optimal Monetary Policy at the Zero-Interest-Rate Bound," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 37(5), pages 813-835, October.
    8. Siddartha Chattopadhyay & Betty C. Daniel, 2018. "Taylor-Rule Exit Policies for the Zero Lower Bound," International Journal of Central Banking, International Journal of Central Banking, vol. 14(5), pages 1-53, December.
    9. Lawrence J. Christiano & Martin Eichenbaum & Charles L. Evans, 2005. "Nominal Rigidities and the Dynamic Effects of a Shock to Monetary Policy," Journal of Political Economy, University of Chicago Press, vol. 113(1), pages 1-45, February.
    10. Henzel, Steffen & Hülsewig, Oliver & Mayer, Eric & Wollmershäuser, Timo, 2009. "The price puzzle revisited: Can the cost channel explain a rise in inflation after a monetary policy shock?," Journal of Macroeconomics, Elsevier, vol. 31(2), pages 268-289, June.
    11. Gauti B. Eggertsson & Michael Woodford, 2003. "The Zero Bound on Interest Rates and Optimal Monetary Policy," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 34(1), pages 139-235.
    12. Tillmann, Peter, 2009. "The time-varying cost channel of monetary transmission," Journal of International Money and Finance, Elsevier, vol. 28(6), pages 941-953, October.
    13. Rabanal, Pau, 2007. "Does inflation increase after a monetary policy tightening? Answers based on an estimated DSGE model," Journal of Economic Dynamics and Control, Elsevier, vol. 31(3), pages 906-937, March.
    14. 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.
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    Cited by:

    1. Lasitha R. C. Pathberiya, 2016. "Optimal Monetary Policy at the Zero Lower Bound on Nominal Interest Rates in a Cost Channel Economy," Discussion Papers Series 568, School of Economics, University of Queensland, Australia.

    More about this item

    Keywords

    New-Keynesian Model; Cost Channel; Liquidity Trap;

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • E63 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Comparative or Joint Analysis of Fiscal and Monetary Policy; Stabilization; Treasury Policy

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