In this paper a model is developed which brings together elements of the household models, spatial trading systems and demand systems with elements of production and income risk. Some of the implications of the design are analysed. The design is focussed on the problem faced by Vietnamese farm...

In current study, an irrigation examination and acquisition of environmental water in Kor River fields, that is dominated from Doroudzan dam to Bakhtegan Lake, was done by an integrated economy-environmental model. The model was considered by economic, hydrologic and agronomic components. In the...

Seasonal wage labour was rarely distinguished from the permanent one in farm-household models although it has sharply increased in developed countries. Therefore, we propose to endogenize the demand for this peculiar labour type and highlight the trade-offs for the various labour combinations on...