Abstract
This study employs a growth accounting approach to revisit past performance of agriculture in sub-Saharan Africa (SSA) and to analyze the relationship between the input mix used by SSA countries and productivity levels observed in the region. Findings show that improved technical efficiency has been the main driver of growth in recent years benefiting poorer, low labor productivity countries. Countries with higher output and input per worker have benefited much more from technological progress than poorer countries, suggesting that technical change has done little to reduce the gap in labor productivity between countries. Results also show that the levels of input per worker used in SSA agriculture at present are extremely low and associated with less productive technologies, and that technical change has shifted the world technological frontier unevenly, increasing the distance between SSA countries and those countries with the “right” input mix.
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Notes
- 1.
Results of estimates and tests for all models are available from authors upon request.
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Acknowledgments
This work was undertaken as part of the Agricultural Science and Technology Indicators (ASTI) and the CGIAR Research Program on Policies, Institutions, and Markets (PIM) led by the International Food Policy Research Institute (IFPRI). Funding support for this study was provided by the Bill & Melinda Gates Foundation, the Canada Department of Foreign Affairs, and PIM. I thank Markus Eberhardt for sharing STATA code he developed and I adapted and used in the econometric analysis of this study. Any errors are my own responsibility. The opinions expressed here belong to the author, and do not necessarily reflect those of PIM, IFPRI, or CGIAR.
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Nin-Pratt, A. (2016). Inputs, Productivity and Agricultural Growth in Sub-Saharan Africa. In: Greene, W., Khalaf, L., Sickles, R., Veall, M., Voia, MC. (eds) Productivity and Efficiency Analysis. Springer Proceedings in Business and Economics. Springer, Cham. https://doi.org/10.1007/978-3-319-23228-7_11
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