Knowledge diffusion and agricultural development
Md. Rabiul Islam and
Jakob B. Madsen
Agricultural Economics, 2018, vol. 49, issue 2, 265-276
Low agricultural productivity remains the primary source of poverty in the developing regions and yet little is known about the influence on agricultural productivity of domestic and international accumulated R&D knowledge and the channels through which this knowledge is transmitted internationally. Following a large scientific literature, this article argues that R&D and R&D knowledge spillover are ecozoneâ€ specific and, therefore, are transmitted internationally through ecozones, where ecozones are the broadest biogeographic division of the earth's land surface. Using data for a panel of 88 countries, it is shown that international knowledge spillovers are ecozoneâ€ specific and have been an important contributing factor behind the marked widening of the income gap between developed and developing countries since 1983.
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