This paper reviews different studies on technology adoption in sub-Saharan Africa to understand the determinants of low adoption of improved technologies, with a special focus on Malawi.

"Agricultural research has greatly increased the yields of important staple food crops, and for many people this has meant more food availability and trade opportunities.

Before 1994 the policy of apartheid in South Africa had systematically denied the majority of the population access to resources through legal restrictions on mobility, property rights, and residential location (Thompson 1990).