Korea imports all of its primary energy, which leads to high dependency and vulnerability related to its energy supply. Efficiency in the use of energy is a way to reduce dependency and emissions. This study provides empirical results of the stochastic production process in energy use. Special...

Contractual relationships regarding land tenure in agriculture are diverse. From formal systems suchas landowner and fixed rent, sharecropping emerges as an alternative in which the owner of the landshares the benefits and risks of the results with tenants. Therefore, land tenure systems differ...