Kamel, el; Ahmed, Helmi; Garcia Alvarez-Coque, Jose-Maria - In: Economia Agraria y Recursos Naturales 01 (2001) 01
SUMMARY: The purpose of this paper is to outline and adapt Sharpe's model to the agricultural activities as well as to measure the performance of crops when yield and risk are considered. The model is applied to the main varieties of citrus fruits in Valencia. For them, systematic and specific...