Super-Inertial Interest Rate Rules Are Not Solutions of Ramsey Optimal Monetary Policy

Jean-Bernard Chatelain and Kirsten Ralf
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Kirsten Ralf: ESCE

PSE-Ecole d'économie de Paris (Postprint) from HAL

Abstract: Giannoni and Woodford (2003) found that the equilibrium determined by commitment to a super-inertial rule (where the sum of the parameters of lags of interest rate exceed ones and does not depend on the auto-correlation of shocks) corresponds to the unique bounded solution of Ramsey optimal policy for the new-Keynesian model. By contrast, this note demonstrates that commitment to an inertial rule (where the sum of the parameters of lags of interest rate is below one and only depends on the auto-correlation of shocks) corresponds to the unique bounded solution.

Keywords: New-Keynesian Model; Ramsey Optimal Policy; Interest Rate Smoothing; Super-Inertial Rule; Inertial Rule (search for similar items in EconPapers)
Date: 2023-01
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Published in SSRN Electronic Journal, 2023, 133, pp.119-146. ⟨10.2139/ssrn.3232744⟩

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Related works:
Working Paper: Super-Inertial Interest Rate Rules Are Not Solutions of Ramsey Optimal Monetary Policy (2023)
Working Paper: Super-inertial interest rate rules are not solutions of Ramsey optimal monetary policy (2018)
Working Paper: Super-inertial interest rate rules are not solutions of Ramsey optimal monetary policy (2018)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:pseptp:halshs-03957248

DOI: 10.2139/ssrn.3232744

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