This is from Bachewe and co-authors in World Development:
Despite significant efforts, Africa has struggled to imitate the rapid agricultural growth that took place in Asia in the 1960s and 1970s. As a rare but important exception, Ethiopia’s agriculture sector recorded remarkable rapid growth during 2004–14. This paper explores this rapid change in the agriculture sector of this important country – the second most populous in Africa. We review the evidence on agricultural growth and decompose the contributions of modern inputs to growth using an adjusted Solow decomposition model.
We also highlight the key pathways Ethiopia followed to achieve its agricultural growth. We find that land and labor use expanded significantly and total factor productivity grew by about 2.3% per year over the study period. Moreover, modern input use more than doubled, explaining some of this growth. The expansion in modern input use appears to have been driven by high government expenditures on the agriculture sector, including agricultural extension, but also by an improved road network, higher rural education levels, and favorable international and local price incentives.
The improvement in agricultural productivity was driven, in part, by deliberate state investment in agriculture:
Ethiopia is one of only four African countries to have implemented the CAADP agreement of a 10% target of annual government expenditures going to agriculture over the 2003–2013 period.
… The GoE has for a long time put agriculture at the center of its national policy priorities. The Agriculture Development Led Industrialization (ADLI) strategy was formulated in the mid-1990s to serve as a roadmap to transform smallholder agriculture in the country. Rural education and health, infrastructure, extension services, and strengthening of public agricultural research were among its top priorities.
These gains are remarkable (if we can trust the state statistical agency data used in the analysis). They are also likely not replicable in other countries across the Continent on account of the high variance in state capacity in the region.
For instance:
[while the] Comprehensive Africa Agriculture Development Programme (CAADP) proposed that African countries allocate 10 percent of their total annual budgets toward boosting agricultural productivity…, only 13 countries [have] signed the CAADP compact (Benin, Burundi, Cape Verde, Ethiopia, The Gambia, Ghana, Liberia, Mali, Niger, Nigeria, Rwanda, Sierra Leone, and Togo).
And out of these 13 only Cape Verde, Ethiopia, Ghana, and Rwanda seem like they have the capacity to translate state fiscal outlays into real productivity gains in agriculture.
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