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The Threshold Effects of Exchange Rates on Agricultural Exports: A Flow from South Africa to the Southern African Development Community

Author

Listed:
  • Confidence Tselane Nthebe

    (Department of Economics, North-West University, Mafikeng 2745, South Africa)

  • Teboho Jeremiah Mosikari

    (Department of Economics, North-West University, Mafikeng 2745, South Africa)

Abstract

The impact of exchange rates is a significant concern affecting trade in the SADC region. This study’s purpose is to assess the threshold effects of exchange rates on agricultural exports from SA to SADC from 2010 to 2022. A panel threshold estimation technique is applied to assess the exchange rates effects in different regimes that can be below or above the threshold value. This can reveal non-linear relationships that are often overlooked in traditional linear models. In this analysis, exchange rates are disaggregated into appreciation and depreciation, as it is critical to determine how these changes affect agricultural exports, which has not been achieved in previous studies. The findings of this study confirm the existence of a non-linear relationship between several key variables (depreciation, South Africa’s GDP, the GDP of the SADC, and South Africa’s population and agricultural exports). This contributes new insights to the existing literature on the SADC economies. The policymakers could implement an exchange rate stabilisation mechanism and promote the diversification of both market destinations and agricultural export products. The SADC economies could consider adopting flexible exchange rate regimes that respond to market forces, while taking into account external shocks and economic indicators to mitigate the effects of depreciation shocks. Furthermore, the findings from this study can aid policymakers in formulating effective strategies for managing exchange rates fluctuations and promoting agricultural export growth. The findings show that different segments of agricultural exports can inform targeted interventions aimed at supporting exporters, and relevant industries within the SADC region. These results can aid policymakers to develop strategies to support sustainable agricultural practises, and ensure that the sector can meet the growing demands of a larger population.

Suggested Citation

  • Confidence Tselane Nthebe & Teboho Jeremiah Mosikari, 2025. "The Threshold Effects of Exchange Rates on Agricultural Exports: A Flow from South Africa to the Southern African Development Community," Economies, MDPI, vol. 13(2), pages 1-22, January.
    • Handle: RePEc:gam:jecomi:v:13:y:2025:i:2:p:27-:d:1575896
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    References listed on IDEAS

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    1. Christopher F. Baum & Mustafa Caglayan & Neslihan Ozkan, 2004. "Nonlinear effects of exchange rate volatility on the volume of bilateral exports," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 19(1), pages 1-23.
    2. Rodrigo da Silva Souza & Leonardo Bornacki Mattos, 2022. "Oil price shocks and global liquidity: macroeconomic effects on the Brazilian real," International Economics and Economic Policy, Springer, vol. 19(4), pages 761-781, October.
    3. Eliphas Ndou, 2022. "Exchange rate changes on export volumes in South Africa under the inflation targeting period," SN Business & Economics, Springer, vol. 2(6), pages 1-25, June.
    4. Bruce E. Hansen, 2000. "Sample Splitting and Threshold Estimation," Econometrica, Econometric Society, vol. 68(3), pages 575-604, May.
    5. Joseph Olufemi OGUNJOBI & Olufemi Adebayo OLADIPO (PhD) & Oluwasegun ESEYIN & Olaoluwa OPAOLA & Ishola James ARANSIOLA (PhD), 2022. "Exchange Rate and Agricultural Exports: Evidence From Nigeria (1981-2019)," International Journal of Research and Scientific Innovation, International Journal of Research and Scientific Innovation (IJRSI), vol. 9(4), pages 89-101, April.
    6. Sahar Hassan Khayat, 2019. "A gravity model analysis for trade between the GCC and developed countries," Cogent Economics & Finance, Taylor & Francis Journals, vol. 7(1), pages 1703440-170, January.
    7. Mohsen Bahmani-Oskooee & Hanafiah Harvey, 2010. "The J-curve: Malaysia versus her major trading partners," Applied Economics, Taylor & Francis Journals, vol. 42(9), pages 1067-1076.
    8. Dahir Mohamed Ali, 2023. "Impact of International Trade on Economic Growth in Kenya," International Journal of Economics and Finance, Canadian Center of Science and Education, vol. 15(3), pages 1-13, March.
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