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Efficiency effects of agricultural economics research in the United States
Schimmelpfennig, David E.; O'Donnell, Christopher John; … - In: Agricultural economics : the journal of the … 34 (2006) 3, pp. 273-280
Persistent link: https://www.econbiz.de/10003324965
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Modeling the length and shape of the R&D lag : an application to UK agricultural productivity
Thirtle, Colin G.; Piesse, Jenifer; Schimmelpfennig, … - In: Agricultural economics : the journal of the … 39 (2008) 1, pp. 73-85
Persistent link: https://www.econbiz.de/10003745836
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Short and long-run returns to agricultural R&D in South Africa, or will the real rate of return please stand up?
Schimmelpfennig, David E. (contributor) - In: Agricultural economics : the journal of the … 23 (2000) 1, pp. 1-15
Persistent link: https://www.econbiz.de/10001505436
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The rise and fall of public sector plant breeding in the United Kingdom - a causal chain model of basic and applied research and diffusion
Thirtle, C.; Bottomley, P.; Palladino, P.; … - In: Agricultural economics : the journal of the … 19 (1998) 1, pp. 127-144
Persistent link: https://www.econbiz.de/10006992281
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Short and long-run returns to agricultural R&D in South Africa, or will the real rate of return please stand up?
Schimmelpfennig, D.; Thirtle, C.; van Zyl, J.; Arnade, C.; … - In: Agricultural economics : the journal of the … 23 (2000) 1, pp. 1-16
Persistent link: https://www.econbiz.de/10006983875