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Trade policy and environmental sustainability in Africa: An empirical analysis

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  • James Temitope Dada
  • Folorunsho Monsur Ajide
  • Mamdouh Abdulaziz Saleh Al‐Faryan
  • Mosab I. Tabash

Abstract

This study investigates whether trade policy instruments—tariffs—strengthen or worsen African environmental sustainability. To drive out the objectives of the study, fully modified ordinary least square (FMOLS), dynamic OLS (DOLS), augmented mean group (AMG), method of moment quantile regression (MMQR) and Dumitrescu–Hurlin panel causality approaches are used to analyse the effect of tariff in addition to other control variables on carbon and ecological footprints as measured of environmental sustainability from 2001 to 2020. The results from the MMQR reveal that tariffs have a significant positive effect on carbon footprints in the 0.15 quantile, while the effect becomes insignificant between 0.25 and 0.5 quantiles. However, at the upper quantiles level (0.75–0.95), the impact of the tariff on carbon footprint is negative and significant, with increasing coefficients. Furthermore, tariffs significantly positively affect lower and middle quantiles' ecological footprints (0.15–0.5). However, the effect turns negative at the upper quantiles (0.9 and 0.95), suggesting that tariff reduces ecological footprint at these levels. In addition, the long‐run estimates (FMOLS, DOLS and AMG) also support the upper quantile estimates of MMQR. A one‐way causality between tariffs, carbon and ecological footprint was found. These findings reveal that tariffs do not create market inefficiency in Africa. This study recommends that tariffs as a trade policy instrument could be used to strengthen Africa's environmental quality. The government can use the tariff revenue to subsidize cleaner production and consumption and move the economy from a traditional energy source to renewable energy.

Suggested Citation

  • James Temitope Dada & Folorunsho Monsur Ajide & Mamdouh Abdulaziz Saleh Al‐Faryan & Mosab I. Tabash, 2025. "Trade policy and environmental sustainability in Africa: An empirical analysis," Natural Resources Forum, Blackwell Publishing, vol. 49(3), pages 2274-2298, August.
    • Handle: RePEc:wly:natres:v:49:y:2025:i:3:p:2274-2298
    DOI: 10.1111/1477-8947.12488
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