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Is African agriculture converging? Evidence from a panel of crop yields AgEcon
Lusigi, Angela; McDonald, Scott; Roberts, Jennifer R.; Thirtle, Colin G..
Tipo: Journal Article Palavras-chave: Crop Production/Industries.
Ano: 2000 URL: http://purl.umn.edu/54197
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THE RATE OF RETURN ON EXPENDITURES OF THE SOUTH AFRICAN AGRICULTURAL RESEARCH COUNCIL (ARC) AgEcon
Thirtle, Colin G.; Townsend, Rob F.; Amadi, Juliana; Lusigi, Angela; van Zyl, Johan.
All the rate of return estimates, regardless of methodology or the level of aggregation, are entirely consistent and logical. The returns show that the ARC has been extremely successful economically and has followed a sound strategy of exploiting spillovers from foreign R&D systems. However, there must be a strong socio-economic component to the ARC's efforts if it is to reach the disadvantaged.
Tipo: Journal Article Palavras-chave: Research and Development/Tech Change/Emerging Technologies.
Ano: 1998 URL: http://purl.umn.edu/54904
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Multi-factor agricultural productivity and convergence in Botswana, 1981-96 AgEcon
Thirtle, Colin G.; Lusigi, Angela; Piesse, Jenifer; Suhariyanto, Kecuk.
This paper calculates multi-lateral Malmquist multi-factor productivity (MFP) indices for agriculture in the eighteen regions and the commercial sector of Botswana from 1981 to 1996. The Malmquist is appropriate because prices do really exist for major inputs such as land and labour. The small size of the cross section is overcome by using the sequential version of the Malmquist, which accumulates the annual data, so increasing the stability of the frontier. The regional MFPs are the natural peer group for producing a national MFP, so the problem of choosing peers, in earlier work on international comparisons does not arise. The results show that the national MFP grew at an average rate 1.57% per annum. However, disaggregation by enterprise shows that the...
Tipo: Journal Article Palavras-chave: Productivity Analysis.
Ano: 2000 URL: http://purl.umn.edu/54228
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