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Fiscal policy lag and equilibrium determinacy in a continuous-time New Keynesian model

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  • Eiji Tsuzuki

    (Chiba Keizai University)

Abstract

It has been suggested that local equilibrium determinacy can be achieved by applying active monetary policies combined with passive fiscal policies in discrete-time New Keynesian (NK) models that include a fiscal policy rule with a time lag in the policy response. However, indeterminacy can occur even under such policies in models with money in the production function. In this paper, we first confirm that these results hold in a continuous-time NK model without a policy lag. Furthermore, we present the case of a fiscal policy lag that is capable of avoiding indeterminacy.

Suggested Citation

  • Eiji Tsuzuki, 2016. "Fiscal policy lag and equilibrium determinacy in a continuous-time New Keynesian model," International Review of Economics, Springer;Happiness Economics and Interpersonal Relations (HEIRS), vol. 63(3), pages 215-232, September.
    • Handle: RePEc:spr:inrvec:v:63:y:2016:i:3:d:10.1007_s12232-016-0250-7
    DOI: 10.1007/s12232-016-0250-7
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    Cited by:

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    2. Matsumoto, Akio & Szidarovszky, Ferenc, 2023. "Delay Solow Model with a Normalized CES Production Function," Journal of Economic Behavior & Organization, Elsevier, vol. 213(C), pages 305-323.
    3. Barnett, William & Bella, Giovanni & Ghosh, Taniya & Mattana, Paolo & Venturi, Beatrice, 2021. "Chaos in the UK New Keynesian Macroeconomy," MPRA Paper 109820, University Library of Munich, Germany.
    4. Shunsuke Shinagawa & Eiji Tsuzuki, 2019. "Policy Lag and Sustained Growth," Italian Economic Journal: A Continuation of Rivista Italiana degli Economisti and Giornale degli Economisti, Springer;Società Italiana degli Economisti (Italian Economic Association), vol. 5(3), pages 403-431, October.
    5. Barnett William A. & Bella Giovanni & Ghosh Taniya & Mattana Paolo & Venturi Beatrice, 2023. "Controlling chaos in New Keynesian macroeconomics," Studies in Nonlinear Dynamics & Econometrics, De Gruyter, vol. 27(2), pages 219-236, April.

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    More about this item

    Keywords

    Continuous-time New Keynesian model; Policy lag; Delay-differential equation; Dynamic analysis;
    All these keywords.

    JEL classification:

    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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