Food security is an important agricultural policy objective in most countries. In Bulgaria food security is achieved by measures focused on self-sufficiency. These policy measures in the grain sector result in substantial efficiency losses and lower growth. Partial equilibrium analysis was used...

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,...