Ahmed, Musa Hasen; Melesse, Kumilachew Alamerie - In: Agricultural and Food Economics 6 (2018) 1, pp. 1-15
This article analyzes the impact of participation in off-farm activities on technical efficiency of maize production in eastern Ethiopia. We combined propensity score matching with a stochastic production frontier model that corrects sample selection bias resulting from unobserved factors that...