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Public investment in R&D and extension and productivity in Australian broadacre agriculture 31
Sheng, Yu; Gray, Emily M.; Mullen, John D..
This paper uses time-series data to examine the relationship between public research and development (R&D) and extension investment and productivity growth in Australian broadacre agriculture. The results show that public R&D investment has significantly promoted productivity growth in Australia’s broadacre sector over the past five decades (1953 to 2007). Moreover, the relative contributions of domestic and foreign R&D have been roughly equal, accounting for an estimated 0.6 per cent and 0.63 per cent of annual total factor productivity (TFP) growth in the broadacre sector, respectively. The elasticity of TFP to knowledge stocks of research (both domestic and foreign) and extension were estimated to be around 0.20–0.24 and 0.07–0.15,...
Tipo: Conference Paper or Presentation Palavras-chave: R&D; Total factor productivity; Agriculture; Productivity Analysis; Research and Development/Tech Change/Emerging Technologies.
Ano: 2011 URL: http://purl.umn.edu/100712
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Simulating economic values of a genetic improvement program for Australian farmed saltwater crocodiles 31
Gray, Emily M.; Ahmadi-Esfahani, Fredoun Z.; Isberg, Sally R..
In genetic improvement programs, candidates for breeders are ranked by the profitability of their offspring, expressed as a weighted sum of the genetic gain from selection. In this paper, we estimate the economic values of a genetic improvement program for Australian farmed saltwater crocodiles. A bioeconomic profit function for a representative breeding pair is used to determine the optimal slaughter age following genetic improvement in each selection objective. The results indicate that estimated farm profitability increases by nearly # A111 for a 1-week reduction in juvenile slaughter age, # A78 for a 1 per cent increase in the proportion of first-grade skins produced, and # A33 for an increase in the number of viable hatchlings per clutch. The...
Tipo: Journal Article Palavras-chave: Resource /Energy Economics and Policy.
Ano: 2007 URL: http://purl.umn.edu/118318
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Uncertainty aversion in Australian regulation of agricultural gene technology 31
Gray, Emily M.; Ahmadi-Esfahani, Fredoun Z..
There is potential for over-provision of environmental harms and under-provision of environmental benefits associated with GM crops. As a result, strong public regulation is needed to ensure that full social values are considered. However, one reason for opposition to GM crops is a lack of public trust in regulatory institutions and science, and the limited opportunities afforded to public-participation and nonscientific concerns. We aim to demonstrate the trade-off between social cost and managing the risks of gene flow arising from environmental release of GM canola in Australia, using the framework of a probabilistic risk assessment and safety-rule decision mechanism.
Tipo: Conference Paper or Presentation Palavras-chave: Safety-rule; Uncertainty; Biotechnology regulation; Canola; Crop Production/Industries; Institutional and Behavioral Economics; Research and Development/Tech Change/Emerging Technologies; Risk and Uncertainty.
Ano: 2008 URL: http://purl.umn.edu/6045
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