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Generalised Impulse Response Function as a Perturbation of a Global Solution to DSGE Models

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  • Viktors Ajevskis

    (Bank of Latvia)

Abstract

In the conventional perturbation approach for solving DSGE models, the dynamics of the deviation of solutions from the steady state after a shock hitting an economy represents an impulse response function (IRF). A method to construct the IRF as a deviation from a deterministic global solution is proposed. The approach detects asymmetric reactions of an economy to shocks in different initial conditions. For example, in an economic downturn a negative shock might affect the economy more severely than in normal economic conditions. The method allows for constructing the IRF for highly nonlinear DSGE models.

Suggested Citation

  • Viktors Ajevskis, 2019. "Generalised Impulse Response Function as a Perturbation of a Global Solution to DSGE Models," Working Papers 2019/04, Latvijas Banka.
    • Handle: RePEc:ltv:wpaper:201904
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    File URL: https://datnes.latvijasbanka.lv/papers/wp_4_2019_en.pdf
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    References listed on IDEAS

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    More about this item

    Keywords

    DSGE; perturbation; global solution; trend inflation;
    All these keywords.

    JEL classification:

    • C54 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Quantitative Policy Modeling
    • 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
    • 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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