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Increasing agricultural productivity while reducing greenhouse gas emissions in sub†Saharan Africa: myth or reality?

Eucabeth Majiwa, Boon Lee () and Clevo Wilson

Agricultural Economics, 2018, vol. 49, issue 2, 183-192

Abstract: The motivation for this study stems from two major concerns that are interlinked. The first is the decades long food insecurity crisis faced by sub†Saharan African (SSA) countries which is still prevalent. The second is the negative impact greenhouse gas (GHG) emissions from agriculture may have on future food production and which is likely to worsen the food insecurity problem. The conundrum SSA farmers face is how to increase food output through productivity growth while minimizing GHG emissions. To measure changes in productivity growth and GHG emissions, this study evaluates the agricultural performance of 18 SSA countries by utilizing the Malmquist–Luenberger index to incorporate good and bad outputs for the years 1980–2012. The empirical evidence demonstrates that productivity is overestimated when bad outputs are not considered in the production model. The analysis provides a better understanding of the effectiveness of previous mitigation methods and which informs an appropriate course of action needed to achieve the twin objectives of increasing agriculture productivity while reducing GHG emissions.

Date: 2018
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