This paper concerns the economic assessment of a nonconventional technology to provide a cheap food and/or feed for many developing countries, using wasted resources, i.e. coastal arid areas irrigated directly with seawater to grow a halophyte crop(Salicornia-sos-7). It was cultivated for two...

University College of North Wales, Bangor, Gwynedd LL57 2UW Wales, Inited Kingdom

We use DEA (Data Envelopment Analysis) techniques to determine if measured inefficiencies are caused by a missing management input. We replace the quantity of operators’ labor with estimates of the value of labor and management, and then with net farm income from the previous year, to...