Browsing Agricultural Economics, Extension and Rural Development by Author "Schimmelpfennig, David"

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A GM subsistence crop in Africa : the case of BT white maize in South Africa

Gouse, Marnus; Pray, Carl E.; Kirsten, Johann F.; Schimmelpfennig, David (Inderscience Publishing, 2005-06)

The Republic of South Africa (RSA) is the first developing country to plant genetically modified staple food – Bt white maize. The following paper describes the development and spread of Bt maize in RSA that started in ...
Modeling the length and shape of the R&D lag : an application to UK agricultural productivity

Thirtle, Colin G., 1944-; Piesse, J. (Jenifer); Schimmelpfennig, David (Blackwell, 2008)

This article updates total factor productivity (TFP) growth in UK agriculture from 1953–2005 and shows that public and private research and returns to scale explain TFP. Cointegration and causality tests are used to ...

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