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Optimal Forward Guidance

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  • Florin O. Bilbiie

Abstract

Optimal forward guidance is the simple policy of keeping interest rates low for some optimally determined number of periods after the liquidity trap ends and moving to normal-times optimal policy thereafter. I solve for the optimal duration in closed form in a new Keynesian model and show that it is close to fully optimal Ramsey policy. The simple rule "announce a duration of half of the trap's duration times the disruption" is a good approximation, including in a medium-scale dynamic stochastic general equilibrium (DSGE) model. By anchoring expectations of Delphic agents (who mistake commitment for bad news), the simple rule is also often welfare-preferable to Odyssean commitment.

Suggested Citation

  • Florin O. Bilbiie, 2019. "Optimal Forward Guidance," American Economic Journal: Macroeconomics, American Economic Association, vol. 11(4), pages 310-345, October.
    • Handle: RePEc:aea:aejmac:v:11:y:2019:i:4:p:310-45
    Note: DOI: 10.1257/mac.20170335
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    Cited by:

    1. Chunbing Cai & Jordan Roulleau-Pasdeloup, 2023. "Simple Analytics of the Government Investment Multiplier," Papers 2302.11212, arXiv.org, revised Sep 2023.
    2. He Nie & Jordan Roulleau-Pasdeloup, 2023. "The promises (and perils) of control-contingent forward guidance," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 49, pages 77-98, July.
    3. Nakata, Taisuke & Ogaki, Ryota & Schmidt, Sebastian & Yoo, Paul, 2019. "Attenuating the forward guidance puzzle: Implications for optimal monetary policy," Journal of Economic Dynamics and Control, Elsevier, vol. 105(C), pages 90-106.
    4. Florin Bilbiie & Xavier Ragot, 2021. "Optimal Monetary Policy and Liquidity with Heterogeneous Households," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 41, pages 71-95, July.
    5. Roulleau-Pasdeloup, Jordan, 2023. "Analyzing Linear DSGE models: the Method of Undetermined Markov States," Journal of Economic Dynamics and Control, Elsevier, vol. 151(C).
    6. Budianto, Flora & Nakata, Taisuke & Schmidt, Sebastian, 2023. "Average inflation targeting and the interest rate lower bound," European Economic Review, Elsevier, vol. 152(C).
    7. Philippe Andrade & Gaetano Gaballo & Eric Mengus & Benoît Mojon, 2019. "Forward Guidance and Heterogeneous Beliefs," American Economic Journal: Macroeconomics, American Economic Association, vol. 11(3), pages 1-29, July.
    8. David Finck, 2020. "Forward Guidance Under the Cost Channel," MAGKS Papers on Economics 202004, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).
    9. Rodríguez Arosemena, Nicolás, 2018. "The Dominium Mundi Game and the Case for Artificial Intelligence in Economics and the Law," MPRA Paper 90560, University Library of Munich, Germany.
    10. Sheen, Jeffrey & Wang, Ben Zhe, 2023. "Do monetary condition news at the zero lower bound influence households’ expectations and readiness to spend?," European Economic Review, Elsevier, vol. 152(C).
    11. Batista, Quentin & Nakata, Taisuke & Sunakawa, Takeki, 2023. "Credible Forward Guidance," Journal of Economic Dynamics and Control, Elsevier, vol. 153(C).
    12. Goy, Gavin & Hommes, Cars & Mavromatis, Kostas, 2022. "Forward guidance and the role of central bank credibility under heterogeneous beliefs," Journal of Economic Behavior & Organization, Elsevier, vol. 200(C), pages 1240-1274.
    13. Tillmann Peter, 2021. "Robust Monetary Policy Under Uncertainty About the Lower Bound," The B.E. Journal of Macroeconomics, De Gruyter, vol. 21(1), pages 309-321, January.
    14. Roulleau-Pasdeloup, Jordan, 2020. "Optimal monetary policy and determinacy under active/passive regimes," European Economic Review, Elsevier, vol. 130(C).
    15. Florin O. Bilbiie, 2022. "Neo-Fisherian Policies and Liquidity Traps," American Economic Journal: Macroeconomics, American Economic Association, vol. 14(4), pages 378-403, October.
    16. Bilbiie, Florin, 2018. "Complementarity, Income, and Substitution: A U(C,N) Utility for Macro," CEPR Discussion Papers 12812, C.E.P.R. Discussion Papers.
    17. Bilbiie, Florin O., 2020. "The New Keynesian cross," Journal of Monetary Economics, Elsevier, vol. 114(C), pages 90-108.
    18. André, Marine-Charlotte & Traficante, Guido, 2020. "Forward Guidance in Small Open Economy," MPRA Paper 104600, University Library of Munich, Germany.
    19. Gavin Goy & Cars Homme & Kostas Mavromatis, 2018. "Forward Guidance and the Role of Central Bank Credibility," DNB Working Papers 614, Netherlands Central Bank, Research Department.
    20. Bilbiie, Florin, 2017. "The Puzzle, the Power, and the Dark Side: Forward Guidance Redux," CEPR Discussion Papers 12231, C.E.P.R. Discussion Papers.
    21. Tayler, William J. & Zilberman, Roy, 2021. "Optimal Loan Loss Provisions and Welfare," Journal of Macroeconomics, Elsevier, vol. 69(C).
    22. André Marine Charlotte & Traficante Guido, 2021. "Forward Guidance in an Advanced Small Open Economy in the Effective Lower Bound," Working Papers 2021-16, Banco de México.
    23. Naoto Soma, 2021. "Parameter Uncertainty and Effective Lower Bound Risk," IMES Discussion Paper Series 21-E-11, Institute for Monetary and Economic Studies, Bank of Japan.

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    JEL classification:

    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian; Modern Monetary Theory
    • 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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