IDEAS home Printed from https://ideas.repec.org/p/pra/mprapa/110659.html
   My bibliography  Save this paper

On the Validity of Purchasing Power Parity (PPP): The Case of Sierra Leone

Author

Listed:
  • Jabbie, Mohamed
  • Jackson, Emerson Abraham

Abstract

This paper attempts to empirically validate the purchasing power parity (PPP) theory in the context of Sierra Leone. To achieve this objective, cointegration and error correction techniques were utilised to account for both long and short-run dynamics over the period 2007Q1 to 2019Q1. The Engel-Granger cointegration technique was utilised to ascertain the long-run relationship between the exchange rate and the price differential between Sierra Leone and the United States of America, while the redundant variable test was used to attain the parsimonious short-run error correction model. The results indicated a cointegrating relationship, while the coefficient on the price differential was greater than one (1), reflecting that the PPP does not hold for Sierra Leone. Moreover, the short-run results showed a rejection of the theory and rather endorses the presence of depreciation inertia, where past depreciation of the exchange rate is a major determinant of its current depreciating trend.

Suggested Citation

  • 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.
    • Handle: RePEc:pra:mprapa:110659
    as

    Download full text from publisher

    File URL: https://mpra.ub.uni-muenchen.de/110659/1/MPRA_paper_110659.pdf
    File Function: original version
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. EPHREM HABTEMICHAEL REDDA & Paul-Francious Muzindusti, 2017. "Does SADC constitute an optimum currency area? Evidence from generalised purchasing power parity," Proceedings of Economics and Finance Conferences 4807771, International Institute of Social and Economic Sciences.
    2. Bernard Njindan Iyke & Nicholas M. Odhiambo, 2017. "Inflationary Thresholds, Financial Development and Economic Growth: New Evidence from Two West African Countries," Global Economy Journal (GEJ), World Scientific Publishing Co. Pte. Ltd., vol. 17(2), pages 1-11, June.
    3. Huang, Chao-Hsi & Yang, Chih-Yuan, 2015. "European exchange rate regimes and purchasing power parity: An empirical study on eleven eurozone countries," International Review of Economics & Finance, Elsevier, vol. 35(C), pages 100-109.
    4. 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.
    5. Kallon, Kelfala M, 1994. "An Econometric Analysis of Inflation in Sierra Leone," Journal of African Economies, Centre for the Study of African Economies, vol. 3(2), pages 199-230, October.
    6. Jackson, Emerson Abraham, 2020. "Understanding SLL / US$ exchange rate dynamics in Sierra Leone using Box-Jenkins ARIMA approach," MPRA Paper 97965, University Library of Munich, Germany, revised 03 Jan 2020.
    7. Adu, Raymond & Litsios, Ioannis & Baimbridge, Mark, 2019. "Real exchange rate and asymmetric shocks in the West African Monetary Zone (WAMZ)," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 59(C), pages 232-249.
    8. Jackson, Emerson Abraham & Tamuke, Edmund & Jabbie, Mohamed, 2019. "Disaggregated Short-Term Inflation Forecast (STIF) for Monetary Policy Decision in Sierra Leone," MPRA Paper 96735, University Library of Munich, Germany, revised 26 Nov 2019.
    9. Akay, Alpaslan & Brausmann, Alexandra & Djajic, Slobodan & Kirdar, Murat Güray, 2018. "Purchasing-Power-Parity and the Saving Behavior of Temporary Migrants," IZA Discussion Papers 11679, Institute of Labor Economics (IZA).
    10. Sahabudin Sidiq & Herawati, 2016. "Validity test of purchasing power parity doctrine: An Indonesian case study," Economic Journal of Emerging Markets, Universitas Islam Indonesia, vol. 8(2), pages 120-127, April.
    11. 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.
    12. Rudiger Dornbusch, 1985. "Purchasing Power Parity," NBER Working Papers 1591, National Bureau of Economic Research, Inc.
    13. Jiang, Chun & Jian, Na & Liu, Tie-Ying & Su, Chi-Wei, 2016. "Purchasing power parity and real exchange rate in Central Eastern European countries," International Review of Economics & Finance, Elsevier, vol. 44(C), pages 349-358.
    14. Khan, Muhammad Arshad & Qayyum, Abdul, 2007. "Exchange Rate Determination In Pakistan: Evidence Based On Purchasing Power Parity Theory," MPRA Paper 6754, University Library of Munich, Germany.
    15. Mr. Noureddine Krichene, 1998. "Purchasing Power Parities in Five East African Countries: Burundi, Kenya, Rwanda, Tanzania, and Uganda," IMF Working Papers 1998/148, International Monetary Fund.
    16. Sahabudin Sidiq & Herawati Herawati, 2016. "Validity test of purchasing power parity doctrine: An Indonesian case study," Economic Journal of Emerging Markets, Universitas Islam Indonesia, vol. 8(2), pages 120-127.
    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.
    as


    Cited by:

    1. Jackson, Emerson Abraham, 2024. "Economic Theory of Inflation," EconStor Preprints 280999, ZBW - Leibniz Information Centre for Economics.
    2. Muhammad Zakaria & Seemab Tanveer & Bashir Ahmad Fida & Muhammad Iftikhar ul Husnain, 2023. "Inflation Differential Pass-Through to Exchange Rate: Some Evidence From Pakistan," SAGE Open, , vol. 13(4), pages 21582440231, December.

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. 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.
    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. 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.
    4. 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.
    5. 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.
    6. 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.
    7. Kai-Hua WANG & Chi-Wei SU & Hsu-Ling CHANG & Ji MA & Cristina IOVU, 2017. "Purchasing Power Parity In China: An Empirical Investigation Based On Bootstrap Rollingwindow Test," Journal for Economic Forecasting, Institute for Economic Forecasting, vol. 0(4), pages 166-181, December.
    8. Jackson, Emerson Abraham, 2020. "Understanding SLL / US$ exchange rate dynamics in Sierra Leone using Box-Jenkins ARIMA approach," MPRA Paper 97965, University Library of Munich, Germany, revised 03 Jan 2020.
    9. Levent, Korap, 2007. "Modeling purchasing power parity using co-integration: evidence from Turkey," MPRA Paper 19584, University Library of Munich, Germany.
    10. Hong, Seung Hyun & Phillips, Peter C. B., 2010. "Testing Linearity in Cointegrating Relations With an Application to Purchasing Power Parity," Journal of Business & Economic Statistics, American Statistical Association, vol. 28(1), pages 96-114.
    11. Peter Rowland & Hugo OLiveros C., 2003. "Colombian Purchasing Power Parity Analysed Using a Framework of Multivariate Cointegration," Borradores de Economia 252, Banco de la Republica de Colombia.
    12. 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.
    13. Hachicha, Ahmed & Lean Hooi Hooi, 2013. "Inflation, inflation uncertainty and output in Tunisia," Economics Discussion Papers 2013-1, Kiel Institute for the World Economy (IfW Kiel).
    14. Léonce Ndikumana, 2003. "Capital Flows, Capital Account Regimes, and Foreign Exchange Rate Regimes in Africa," Working Papers wp55, Political Economy Research Institute, University of Massachusetts at Amherst.
    15. Yan, Beiling, 2002. "Purchasing Power Parity: A Canada/U.S. Exploration," Economic Analysis (EA) Research Paper Series 2002002e, Statistics Canada, Analytical Studies Branch.
    16. Kargbo, Joseph M., 2003. "Cointegration Tests of Purchasing Power Parity in Africa," World Development, Elsevier, vol. 31(10), pages 1673-1685, October.
    17. Ricky Chee Jiun Chia & Shiok Ye Lim & Sheue Li Ong, 2014. "Long-Run Validity of Purchasing Power Parity and Cointegration Analysis for Low Income African Countries," Economics Bulletin, AccessEcon, vol. 34(3), pages 1438-1447.
    18. Aadil Nakhoda, 2014. "The Influence of Industry Financial Composition on the Exports from Pakistan," SBP Research Bulletin, State Bank of Pakistan, Research Department, vol. 10, pages 21-49.
    19. George Alessandria & Joseph P. Kaboski, 2004. "Violating purchasing power parity," Working Papers 04-19, Federal Reserve Bank of Philadelphia.
    20. Wided Ragmoun, 2024. "The impact of environmental entrepreneurship and anti-corruption on environmental degradation," Journal of Global Entrepreneurship Research, Springer;UNESCO Chair in Entrepreneurship, vol. 14(1), pages 1-14, December.

    More about this item

    Keywords

    Purchasing Power Parity; Exchange Rate; Inflation; Cointegration; Sierra Leone;
    All these keywords.

    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • F31 - International Economics - - International Finance - - - Foreign Exchange

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:pra:mprapa:110659. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Joachim Winter (email available below). General contact details of provider: https://edirc.repec.org/data/vfmunde.html .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.