Rice Research, Technological Progress, and Impacts on the Poor
The case study builds on an ongoing large-scale quantitative research project undertaken by BIDS/IRRI since 1987 originally in 64 unions from 57 districts of Bangladesh. It adds a qualitative research component to examine the impact of modern rice varieties on livelihoods in a structured sample of eight of these villages across a range of favorable and unfavorable contexts.
Link
http://www.ifpri.org/divs/eptd/dp/papers/eptdp110.pdf