The rise and fall of public sector plant breeding in the United Kingdom: acausal chain model of basic and applied research and diffusion Thirtle, C.;Bottomley, P.;Palladino, P.;Schimmelpfennig, D.;Townsend, R.; Agricultural Economics 1998-09-01 查看
Testing the induced innovation hypothesis: an error correction model ofSouth African agriculture Thirtle, C.;Townsend, R.;van Zyl, J.; Agricultural Economics 1998-09-01 查看
Short and long-run returns to agricultural R&D in South Africa, or will thereal rate of return please stand up? Schimmelpfennig, D.;Thirtle, C.;van Zyl, J.;Arnade, C.;Khatri, Y.; Agricultural Economics 2000-06-01 查看
Is livestock research unproductive? - Separating health maintenance fromimprovement research Townsend, R.;Thirtle, C.; Agricultural Economics 2001-09-01 查看
Energy substitutability in transition agriculture: estimates andimplications for Hungary Shankar, B.;Piesse, J.;Thirtle, C.; Agricultural Economics 2003-10-01 查看
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