14 Agricultural Research and Prociuc'.ivily 



may find the demand for their services and the returns to their 

 resources reduced.' 



Thus technological impravements entail severe adjustment 

 problems in the rural sector. If nonfarm wages are constant, pro- 

 ductivity increases may reduce wages to agricultural laborers; and 

 if industrial wages are rising, productivity increases may require 

 faster outmigration from agriculture if wages in this sector are not 

 to lag too much behind industrial wages. 



7. Evidence on the detrimental effect of the Green Revolution on rural income 

 distribution is summarized by Keith GrilTin (1972). 



