The quasi-option value of delayed input use under catastrophic drought risk: the case of no-till in Morocco (En) Magnan, N. (International Food Policy Institute, Washington DC (USA)) Lybbert, T.J. (University of California, Davis 
(USA)) Mrabet, R. (INRA,Tanger (Ma) centre Régional de la Recherche Agronomique de Tanger), E-mail:rachidmrabet@yahoo.co.uk; Fadlaoui, A. (INRA, Meknes (Ma) centre Régional de la Recherche Agronomique de Meknes), E-mail:azizfadlaoui@yahoo.fr ;
 In: American Journal of agricultural economics ; Jan. 2011 v.93(2)