supplied. These hypotheses are tested and confirmed with panel data for the case of transgenic cotton in India. Cotton varietal … diversity in India, with of over 90% adoption of transgenic technology, is now at the same level than it was before the …

During the past decade, cotton prices remained considerably below other agricultural prices (although they recovered … toward the end of 2010). Yet, between 2000-04 and 2005-09 world cotton production increased 13 percent. This paper … conjectures that biotechnology-induced productivity improvements increased supplies by China and India, which, in addition to …