Based on the 2016-2017 farm survey data, this study examines technical efficiency in the production of wheat, rice, and maize in Punjab province in Pakistan. Technical efficiency, under varying returns to scale, in wheat farming averaged 0.65; in rice, it averaged 0.74, and in the case of maize,...

In SSA, evidence is scanty on the association between greenhouse gas emissions and food security, though the region is highly vulnerable to climate change. Thus, this study has examined the effects of greenhouse gas emissions on food security in 22 SSA countries for the period 2005-2018. We...