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Monetary Policy Responses to Exogenous Perturbations: The Case of a Small Open Economy (2007-2018)

Author

Listed:
  • Christopher E.S. Warburton

    (East Stroudsburg University (PA, USA))

  • Emerson Abraham Jackson

    (Bank of Sierra Leone)

Abstract

While autonomous central banks in large open economies are usually predisposed to use monetary rules to target inflation, output, and long-term interest rates, central banks in small open economies face peculiar challenges in their attempts to attain and maintain liquidity, stable prices and full employment. This paper investigates the effects of monetary policy in the case of Sierra Leone, assuming that information for rule-based monetary policy is insufficient and imprecise. We use the Bayesian model to evaluate primitive (priors), posterior enhancements and responses of key variables to exogenous perturbations based on information from 2007 to 2018. We find that the effects of disturbances that are associated with crude oil prices have a more persistent effect on national output than the dominant monetary instrument (T-Bills). The response of monetary policy to exogenous perturbations is generally weak and less persistent. Granger-causality tests reveal that internal conditions make it less likely for the central bank to robustly react to external shocks.

Suggested Citation

  • Christopher E.S. Warburton & Emerson Abraham Jackson, 2020. "Monetary Policy Responses to Exogenous Perturbations: The Case of a Small Open Economy (2007-2018)," PSL Quarterly Review, Economia civile, vol. 73(293), pages 181-201.
    • Handle: RePEc:psl:pslqrr:2020:25
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    File URL: https://ojs.uniroma1.it/index.php/PSLQuarterlyReview/article/view/15645/pdf
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    References listed on IDEAS

    as
    1. Emerson Abraham Jackson & Edmond Tamuke & Abdulai Sillah, 2018. "Modelling Monthly Headline Consumer Price Index (HCPI) through Seasonal Box-Jenkins Methodology," International Journal of Sciences, Office ijSciences, vol. 7(01), pages 51-56, January.
    2. Jackson, Emerson Abraham, 2018. "Political Economy of Forest Ecology in Sierra Leone: A focus on the Western Area Peninsular Forest (WAPFoR)," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 9(1), pages 63-90.
    3. repec:srs:journl:jasf:v:9:y:2018:i:1:p:34-44 is not listed on IDEAS
    4. Jackson, Emerson Abraham, 2016. "Phronesis and Resource Curse Hypothesis in Post-Independent Sierra Leone," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 3, pages 1-11.
    5. Emerson JACKSON & Edmund TAMUKE, 2018. "Probability Forecast Using Fan Chart Analysis A Case of the Sierra Leone Economy," Journal of Advanced Studies in Finance, ASERS Publishing, vol. 9(1), pages 34-44.
    6. Jackson, Emerson Abraham & Tamuke, Edmund, 2018. "Probability Forecast Using Fan Chart Analysis: A case of the Sierra Leone Economy," MPRA Paper 88853, University Library of Munich, Germany, revised 04 Sep 2018.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
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    Cited by:

    1. Christopher E.S. WARBURTON & Emerson A. JACKSON, 2023. "The Econometrics of Factor Loadings and Implications for Monetary Policy in a Small Open Economy (2005- 2020) – Sierra Leone," Journal of Economic Policy Researches, Istanbul University, Faculty of Economics, vol. 10(1), pages 19-35, January.
    2. Jackson, Emerson Abraham, 2020. "Importance of the Public Service in Achieving the UN SDGs," MPRA Paper 101806, University Library of Munich, Germany, revised 02 Jun 2020.
    3. Emerson Abraham Jackson & Edmund Tamuke, 2022. "Credit Risk Management and the Financial Performance of Domiciled Banks in Sierra Leone: An Empirical Analysis," Journal of Economic Policy Researches, Istanbul University, Faculty of Economics, vol. 9(1), pages 139-164, January.
    4. Emerson JACKSON & Mohamed JABBIE, 2020. "Twin Deficits Hypothesis as an Indication of Government Failure in Sierra Leone: An Empirical Investigation (1980-2018)," Journal of Economic Policy Researches, Istanbul University, Faculty of Economics, vol. 7(1), pages 42-68, January.
    5. Jackson, Emerson Abraham, 2021. "Causal relationship between Education and Economic Growth in Sierra Leone," MPRA Paper 114686, University Library of Munich, Germany, revised 06 Apr 2021.
    6. Jackson, Emerson Abraham & Jackson, Elijah & Jackson, Hudson, 2020. "Nurturing Career Development for Human Sustainablel Development," MPRA Paper 110820, University Library of Munich, Germany, revised 01 Jan 2020.
    7. Barrie, Mohamed Samba & Jackson, Emerson Abraham, 2022. "Impact of Technological Shock on the Sierra Leone Economy: A Dynamic Stochastic General Equilibrium (DSGE) Approach," MPRA Paper 113636, University Library of Munich, Germany, revised 10 Jun 2022.
    8. Jabbie, Mohamed & Jackson, Emerson Abraham, 2020. "On the Validity of Purchasing Power Parity (PPP): The Case of Sierra Leone," MPRA Paper 110659, University Library of Munich, Germany, revised 05 Jun 2020.
    9. Emerson Abraham JACKSON & Mohamed JABBİE & Edmund TAMUKE & Augustine NGOMBU, 2020. "Adoption of Inflation Targeting in Sierra Leone: An Empirical Discourse," Journal of Economic Policy Researches, Istanbul University, Faculty of Economics, vol. 7(2), pages 21-50, July.
    10. Jackson, Emerson Abraham & Tamuke, Edmund, 2021. "The Science and Art of Communicating Fan Chart Uncertainty: The case of Inflation Outcome in Sierra Leone," MPRA Paper 105892, University Library of Munich, Germany, revised 05 Jan 2021.
    11. Jackson, Emerson Abraham, 2020. "Emerging Innovative Thoughts on Globalization amidst the Contageon of COVID-19," MPRA Paper 101789, University Library of Munich, Germany, revised 27 May 2020.
    12. Jackson, Emerson Abraham & Kamara, Purity & Kamara, Abdulsalam, 2022. "Determinants of Inflation in Sierra Leone," MPRA Paper 117278, University Library of Munich, Germany, revised Apr 2023.

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    18. Christopher E.S. WARBURTON & Emerson A. JACKSON, 2023. "The Econometrics of Factor Loadings and Implications for Monetary Policy in a Small Open Economy (2005- 2020) – Sierra Leone," Journal of Economic Policy Researches, Istanbul University, Faculty of Economics, vol. 10(1), pages 19-35, January.
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    More about this item

    Keywords

    Cointegration; Bayesian VARS; Inflation; Impulse response; Money supply; Oil shocks;
    All these keywords.

    JEL classification:

    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
    • E47 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Forecasting and Simulation: Models and Applications
    • E50 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - General
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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