Is Agricultural Productivity in Developing Countries Really Shrinking? New Evidence Using a Modified Nonparametric Approach

By Alejandro Nin, C. Arndt, Paul V. Preckel. 2003

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Productivity growth and the effects of R&D in African agriculture (2010, background): “productivity stagnation or decline to technological regress, whereas productivity growth is attributed to efficiency improvement (Nin et al., 2003).”
Adoption of Modern Agricultural Production Technologies by Farm Households in Ghana: What Factors Influence their Decisions? (2012, background): “Technical change in the form of adoption of improved agricultural production technologies has been reported to have positive impacts on agricultural productivity growth in the developing world (Nin et al, 2003).”
Explaining agricultural productivity growth: an international perspective (2010, methodology): “Previous research (Nin et al., 2003) has noted several “unrealistic” characteristics of DEA-based estimates of TFP growth, notably their low average TFP growth, the large number of countries recording negative TFP growth and particularly negative technical change (here termed “technical regress”),…”