Based on national level data from secondary sources, changes in production variability and their sources of changes for Bangladesh as a whole were measured for major foodgrains- Aus, Aman and Boro rice as well as wheat during 1979/80 to 1998/99 which were again sub-divided between two time...

Using economic surplus technique, the study estimates ex-post returns to rice research in Bangladesh for the period 1970-92 and ex - ante returns to rice research at BRRI- to be conducted during the period 1996-2000. The estimated results show that during 1970-92, rice research has generated an...