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Monetary Policy Interactions: The Policy Rate, Asset Purchases, and Optimal Policy with an Interest Rate Peg

Author

Listed:
  • Isabel Gödl-Hanisch
  • Ronald Mau
  • Jonathan Rawls

Abstract

We study monetary policy in a New Keynesian model with a variable credit spread and scope for central bank asset purchases to matter. A novel financial and labor market interaction generates an endogenous cost-push channel in the Phillips curve and a credit wedge in the IS curve. The “divine coincidence” holds with the nominal short-term rate and central bank balance sheet available as policy tools. Credit spread-targeting balance sheet policy provides a determinate equilibrium with a fixed policy rate. This policy induces similar welfare losses relative to dual-instrument policy as inflation-targeting interest rate policy with a fixed balance sheet.

Suggested Citation

  • Isabel Gödl-Hanisch & Ronald Mau & Jonathan Rawls, 2023. "Monetary Policy Interactions: The Policy Rate, Asset Purchases, and Optimal Policy with an Interest Rate Peg," CESifo Working Paper Series 10399, CESifo.
    • Handle: RePEc:ces:ceswps:_10399
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    References listed on IDEAS

    as
    1. Mark Gertler & Peter Karadi, 2013. "QE 1 vs. 2 vs. 3. . . : A Framework for Analyzing Large-Scale Asset Purchases as a Monetary Policy Tool," International Journal of Central Banking, International Journal of Central Banking, vol. 9(1), pages 5-53, January.
    2. Gertler, Mark & Karadi, Peter, 2011. "A model of unconventional monetary policy," Journal of Monetary Economics, Elsevier, vol. 58(1), pages 17-34, January.
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    More about this item

    Keywords

    unconventional monetary policy; optimal monetary policy; New Keynesian model; policy rate lower bound; interest rate peg;
    All these keywords.

    JEL classification:

    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • 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

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