In order to distinguish the impacts of technology adoption at the extensive margin from those at the intensive margin, in the empirical analyses we tested these hypotheses focusing on the differences among marginal adopters of tractor hiring services and nonadopters of similar characteristics....

This paper presents results of a small survey of tractor owner-operators conducted in Kaduna and Nasarawa states in Nigeria. Following are the key findings from simple descriptive statistics: (1) owner-operators who buy tractors from the private market or from private individuals are more...