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Exports and imports in Zimbabwe: recent insights from artificial neural networks

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  • NYONI, THABANI

Abstract

This study, which is the first of its kind in the case of Zimbabwe; attempts to model and forecast Zimbabwe’s exports and imports using annual time series data ranging over the period 1975 – 2017. In order to analyze Zimbabwe’s export and import dynamics, the study employed the Neural Network approach, a deep-learning technique which has not been applied in this area in the case of Zimbabwe. The Hyperbolic Tangent function was selected and applied as the activation function of the neural networks applied in this study. The neural networks applied in this research were evaluated using the most common forecast evaluation statistics, i.e. the Error, MSE and MAE; and it was clearly shown that the neural networks yielded reliable forecasts of Zimbabwe’s exports and imports over the period 2018 – 2027. The main results of the study indicate that imports will continue to outperform exports over the out-of-sample period. Amongst other policy recommendations, the study encourages Zimbabwean policy makers to intensify export growth promotion policies and strategies such as clearly identifying export drivers as well as export diversification if persistant current account deficits in Zimbabwe are to be dealt with effectively.

Suggested Citation

  • Nyoni, Thabani, 2019. "Exports and imports in Zimbabwe: recent insights from artificial neural networks," MPRA Paper 96906, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:96906
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    File URL: https://mpra.ub.uni-muenchen.de/96906/1/MPRA_paper_96906.pdf
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    More about this item

    Keywords

    ANNs; exports; forecast; hyperbolic tangent function; imports; trade deficits; Zimbabwe;

    JEL classification:

    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations
    • P33 - Economic Systems - - Socialist Institutions and Their Transitions - - - International Trade, Finance, Investment, Relations, and Aid
    • Q17 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agriculture in International Trade

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